"w/o" meaning in English

See w/o in All languages combined, or Wiktionary

Adjective

Head templates: {{head|en|adj}} w/o
  1. (chemistry) Abbreviation of emulsion of water in oil. Tags: abbreviation, alt-of Alternative form of: emulsion of water in oil
    Sense id: en-w/o-en-adj-L3T6FUeO Categories (other): Chemistry Topics: chemistry, natural-sciences, physical-sciences

Adverb

Head templates: {{en-adv|-}} w/o (not comparable)
  1. Abbreviation of without. Tags: abbreviation, alt-of, not-comparable Alternative form of: without Related terms: w/, w/i
    Sense id: en-w/o-en-adv-8uzsnKsJ

Noun

Head templates: {{en-noun|!}} w/o (plural not attested)
  1. (sports) Abbreviation of walkover. Tags: abbreviation, alt-of, no-plural Alternative form of: walkover
    Sense id: en-w/o-en-noun-mGRAX4mB Categories (other): Sports Topics: hobbies, lifestyle, sports
  2. (scheduling) Abbreviation of week of. Tags: abbreviation, alt-of, no-plural Alternative form of: week of
    Sense id: en-w/o-en-noun-yKfcp7GW Categories (other): English terms with collocations
  3. (finance, insurance) Abbreviation of write-off. Tags: abbreviation, alt-of, no-plural Alternative form of: write-off
    Sense id: en-w/o-en-noun-0TjltCaf Categories (other): Finance, Insurance Topics: business, finance, insurance
  4. (chemistry) weight-percent (percentage calculated by relative mass) Tags: no-plural Synonyms: %mass, %weight, wt%, %w/w, %m/m
    Sense id: en-w/o-en-noun-NVopVbmS Categories (other): English terms with collocations, Chemistry, English entries with incorrect language header, English nouns with unattested plurals, Pages with 1 entry, Pages with entries Disambiguation of English entries with incorrect language header: 16 5 23 3 7 29 3 4 10 Disambiguation of English nouns with unattested plurals: 12 8 15 6 9 26 6 5 14 Disambiguation of Pages with 1 entry: 20 2 8 2 6 46 2 1 13 Disambiguation of Pages with entries: 16 2 18 2 5 46 2 1 9 Topics: chemistry, natural-sciences, physical-sciences
  5. Abbreviation of week(s) old. Tags: abbreviation, alt-of, no-plural Alternative form of: week(s) old
    Sense id: en-w/o-en-noun-Nk1KsNXl
  6. Abbreviation of wife of. Tags: abbreviation, alt-of, no-plural Alternative form of: wife of
    Sense id: en-w/o-en-noun-xfgZ0fXD

Verb

Head templates: {{head|en|verb}} w/o
  1. (finance, insurance) Abbreviation of write off. Tags: abbreviation, alt-of Alternative form of: write off
    Sense id: en-w/o-en-verb-ysHx7YhZ Categories (other): Finance, Insurance Topics: business, finance, insurance
{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb"
      },
      "expansion": "w/o",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "write off"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Finance",
          "orig": "en:Finance",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Insurance",
          "orig": "en:Insurance",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of write off."
      ],
      "id": "en-w/o-en-verb-ysHx7YhZ",
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "insurance",
          "insurance"
        ],
        [
          "write off",
          "write off#English"
        ]
      ],
      "raw_glosses": [
        "(finance, insurance) Abbreviation of write off."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "business",
        "finance",
        "insurance"
      ]
    }
  ],
  "word": "w/o"
}

{
  "head_templates": [
    {
      "args": {
        "1": "!"
      },
      "expansion": "w/o (plural not attested)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "walkover"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Sports",
          "orig": "en:Sports",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of walkover."
      ],
      "id": "en-w/o-en-noun-mGRAX4mB",
      "links": [
        [
          "sports",
          "sports"
        ],
        [
          "walkover",
          "walkover#English"
        ]
      ],
      "raw_glosses": [
        "(sports) Abbreviation of walkover."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "sports"
      ]
    },
    {
      "alt_of": [
        {
          "word": "week of"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English terms with collocations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              0,
              3
            ]
          ],
          "tags": [
            "collocation"
          ],
          "text": "w/o January 7th",
          "type": "example"
        }
      ],
      "glosses": [
        "Abbreviation of week of."
      ],
      "id": "en-w/o-en-noun-yKfcp7GW",
      "links": [
        [
          "week",
          "week#English"
        ]
      ],
      "qualifier": "scheduling",
      "raw_glosses": [
        "(scheduling) Abbreviation of week of."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ]
    },
    {
      "alt_of": [
        {
          "word": "write-off"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Finance",
          "orig": "en:Finance",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Insurance",
          "orig": "en:Insurance",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of write-off."
      ],
      "id": "en-w/o-en-noun-0TjltCaf",
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "insurance",
          "insurance"
        ],
        [
          "write-off",
          "write-off#English"
        ]
      ],
      "raw_glosses": [
        "(finance, insurance) Abbreviation of write-off."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ],
      "topics": [
        "business",
        "finance",
        "insurance"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "English terms with collocations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "16 5 23 3 7 29 3 4 10",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 8 15 6 9 26 6 5 14",
          "kind": "other",
          "name": "English nouns with unattested plurals",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "20 2 8 2 6 46 2 1 13",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "16 2 18 2 5 46 2 1 9",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              10,
              13
            ],
            [
              22,
              25
            ]
          ],
          "tags": [
            "collocation"
          ],
          "text": "ZrO₂ + 46 w/o UO₂ + 5 w/o Fe",
          "type": "example"
        }
      ],
      "glosses": [
        "weight-percent (percentage calculated by relative mass)"
      ],
      "id": "en-w/o-en-noun-NVopVbmS",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "weight-percent",
          "weight-percent"
        ]
      ],
      "raw_glosses": [
        "(chemistry) weight-percent (percentage calculated by relative mass)"
      ],
      "synonyms": [
        {
          "word": "%mass"
        },
        {
          "word": "%weight"
        },
        {
          "word": "wt%"
        },
        {
          "word": "%w/w"
        },
        {
          "word": "%m/m"
        }
      ],
      "tags": [
        "no-plural"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "alt_of": [
        {
          "word": "week(s) old"
        }
      ],
      "categories": [],
      "glosses": [
        "Abbreviation of week(s) old."
      ],
      "id": "en-w/o-en-noun-Nk1KsNXl",
      "links": [
        [
          "week",
          "week#English"
        ],
        [
          "old",
          "old#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ]
    },
    {
      "alt_of": [
        {
          "word": "wife of"
        }
      ],
      "categories": [],
      "examples": [
        {
          "bold_text_offsets": [
            [
              14,
              17
            ]
          ],
          "text": "Sandy Steven, w/o Steven",
          "type": "example"
        }
      ],
      "glosses": [
        "Abbreviation of wife of."
      ],
      "id": "en-w/o-en-noun-xfgZ0fXD",
      "links": [
        [
          "wife",
          "wife#English"
        ],
        [
          "of",
          "of#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ]
    }
  ],
  "word": "w/o"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adj"
      },
      "expansion": "w/o",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "emulsion of water in oil"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of emulsion of water in oil."
      ],
      "id": "en-w/o-en-adj-L3T6FUeO",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "emulsion",
          "emulsion#English"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Abbreviation of emulsion of water in oil."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "w/o"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "w/o (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "word": "without"
        }
      ],
      "categories": [],
      "examples": [
        {
          "bold_text_offsets": [
            [
              56,
              59
            ]
          ],
          "ref": "2015 July 6, “Dichloroacetate, the Pyruvate Dehydrogenase Complex and the Modulation of mESC Pluripotency”, in PLOS ONE, →DOI:",
          "text": "Once more significant differences were observed for CTR w/o LIF. (E)- Protein levels for Hexokinase I and II, GAPDH and PKM1/2 were determined by western Blot and quantified by densiometric evaluation.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Abbreviation of without."
      ],
      "id": "en-w/o-en-adv-8uzsnKsJ",
      "links": [
        [
          "without",
          "without#English"
        ]
      ],
      "related": [
        {
          "word": "w/"
        },
        {
          "word": "w/i"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "not-comparable"
      ]
    }
  ],
  "word": "w/o"
}
{
  "categories": [
    "English adjectives",
    "English adverbs",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English nouns with unattested plurals",
    "English terms spelled with /",
    "English uncomparable adverbs",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb"
      },
      "expansion": "w/o",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "write off"
        }
      ],
      "categories": [
        "English abbreviations",
        "en:Finance",
        "en:Insurance"
      ],
      "glosses": [
        "Abbreviation of write off."
      ],
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "insurance",
          "insurance"
        ],
        [
          "write off",
          "write off#English"
        ]
      ],
      "raw_glosses": [
        "(finance, insurance) Abbreviation of write off."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "business",
        "finance",
        "insurance"
      ]
    }
  ],
  "word": "w/o"
}

{
  "categories": [
    "English adjectives",
    "English adverbs",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English nouns with unattested plurals",
    "English terms spelled with /",
    "English uncomparable adverbs",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "!"
      },
      "expansion": "w/o (plural not attested)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "walkover"
        }
      ],
      "categories": [
        "English abbreviations",
        "en:Sports"
      ],
      "glosses": [
        "Abbreviation of walkover."
      ],
      "links": [
        [
          "sports",
          "sports"
        ],
        [
          "walkover",
          "walkover#English"
        ]
      ],
      "raw_glosses": [
        "(sports) Abbreviation of walkover."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "sports"
      ]
    },
    {
      "alt_of": [
        {
          "word": "week of"
        }
      ],
      "categories": [
        "English abbreviations",
        "English terms with collocations"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              0,
              3
            ]
          ],
          "tags": [
            "collocation"
          ],
          "text": "w/o January 7th",
          "type": "example"
        }
      ],
      "glosses": [
        "Abbreviation of week of."
      ],
      "links": [
        [
          "week",
          "week#English"
        ]
      ],
      "qualifier": "scheduling",
      "raw_glosses": [
        "(scheduling) Abbreviation of week of."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ]
    },
    {
      "alt_of": [
        {
          "word": "write-off"
        }
      ],
      "categories": [
        "English abbreviations",
        "en:Finance",
        "en:Insurance"
      ],
      "glosses": [
        "Abbreviation of write-off."
      ],
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "insurance",
          "insurance"
        ],
        [
          "write-off",
          "write-off#English"
        ]
      ],
      "raw_glosses": [
        "(finance, insurance) Abbreviation of write-off."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ],
      "topics": [
        "business",
        "finance",
        "insurance"
      ]
    },
    {
      "categories": [
        "English terms with collocations",
        "en:Chemistry"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              10,
              13
            ],
            [
              22,
              25
            ]
          ],
          "tags": [
            "collocation"
          ],
          "text": "ZrO₂ + 46 w/o UO₂ + 5 w/o Fe",
          "type": "example"
        }
      ],
      "glosses": [
        "weight-percent (percentage calculated by relative mass)"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "weight-percent",
          "weight-percent"
        ]
      ],
      "raw_glosses": [
        "(chemistry) weight-percent (percentage calculated by relative mass)"
      ],
      "synonyms": [
        {
          "word": "%mass"
        },
        {
          "word": "%weight"
        },
        {
          "word": "wt%"
        },
        {
          "word": "%w/w"
        },
        {
          "word": "%m/m"
        }
      ],
      "tags": [
        "no-plural"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "alt_of": [
        {
          "word": "week(s) old"
        }
      ],
      "categories": [
        "English abbreviations"
      ],
      "glosses": [
        "Abbreviation of week(s) old."
      ],
      "links": [
        [
          "week",
          "week#English"
        ],
        [
          "old",
          "old#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ]
    },
    {
      "alt_of": [
        {
          "word": "wife of"
        }
      ],
      "categories": [
        "English abbreviations",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              14,
              17
            ]
          ],
          "text": "Sandy Steven, w/o Steven",
          "type": "example"
        }
      ],
      "glosses": [
        "Abbreviation of wife of."
      ],
      "links": [
        [
          "wife",
          "wife#English"
        ],
        [
          "of",
          "of#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "no-plural"
      ]
    }
  ],
  "word": "w/o"
}

{
  "categories": [
    "English adjectives",
    "English adverbs",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English nouns with unattested plurals",
    "English terms spelled with /",
    "English uncomparable adverbs",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adj"
      },
      "expansion": "w/o",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "emulsion of water in oil"
        }
      ],
      "categories": [
        "English abbreviations",
        "en:Chemistry"
      ],
      "glosses": [
        "Abbreviation of emulsion of water in oil."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "emulsion",
          "emulsion#English"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Abbreviation of emulsion of water in oil."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "w/o"
}

{
  "categories": [
    "English adjectives",
    "English adverbs",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English nouns with unattested plurals",
    "English terms spelled with /",
    "English uncomparable adverbs",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "w/o (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "related": [
    {
      "word": "w/"
    },
    {
      "word": "w/i"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "without"
        }
      ],
      "categories": [
        "English abbreviations",
        "English terms with quotations"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              56,
              59
            ]
          ],
          "ref": "2015 July 6, “Dichloroacetate, the Pyruvate Dehydrogenase Complex and the Modulation of mESC Pluripotency”, in PLOS ONE, →DOI:",
          "text": "Once more significant differences were observed for CTR w/o LIF. (E)- Protein levels for Hexokinase I and II, GAPDH and PKM1/2 were determined by western Blot and quantified by densiometric evaluation.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Abbreviation of without."
      ],
      "links": [
        [
          "without",
          "without#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "not-comparable"
      ]
    }
  ],
  "word": "w/o"
}

Download raw JSONL data for w/o meaning in English (5.8kB)

{
  "called_from": "form_descriptions/2278",
  "msg": "suspicious alt_of/form_of with '(': week(s) old",
  "path": [
    "w/o"
  ],
  "section": "English",
  "subsection": "noun",
  "title": "w/o",
  "trace": ""
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2025-07-20 from the enwiktionary dump dated 2025-07-01 using wiktextract (45c4a21 and f1c2b61). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.