"headcase" meaning in English

See headcase in All languages combined, or Wiktionary

Noun

Forms: headcases [plural]
Etymology: head + case Etymology templates: {{compound|en|head|case}} head + case Head templates: {{en-noun|~}} headcase (countable and uncountable, plural headcases)
  1. (informal, derogatory, countable) A mentally unbalanced, unpredictable person, especially one who displays aggressive behavior. Tags: countable, derogatory, informal Categories (topical): People
    Sense id: en-headcase-en-noun-6yLzWZbw Disambiguation of People: 86 14 Categories (other): English entries with incorrect language header, English entries with topic categories using raw markup Disambiguation of English entries with incorrect language header: 63 37 Disambiguation of English entries with topic categories using raw markup: 72 28
  2. (genetics, uncountable) A genetic sequence that inhibits terminal branching of the trachea and regulates dendrite pruning. Tags: uncountable Categories (topical): Genetics Synonyms: hdc
    Sense id: en-headcase-en-noun-jzuHTXGe Topics: biology, genetics, medicine, natural-sciences, sciences
The following are not (yet) sense-disambiguated
Synonyms: head-case, head case

Inflected forms

Alternative forms

Download JSON data for headcase meaning in English (3.1kB)

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "head",
        "3": "case"
      },
      "expansion": "head + case",
      "name": "compound"
    }
  ],
  "etymology_text": "head + case",
  "forms": [
    {
      "form": "headcases",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "headcase (countable and uncountable, plural headcases)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "63 37",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "72 28",
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "86 14",
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2004 April 5, Sean Gregory, “Full-Court Stress”, in Time, archived from the original on 2010-10-28",
          "text": "\"A stockbroker doesn't have 80,000 people sitting behind him just waiting for a mistake,\" says Jim Fassel, whom fans serenaded with \"Fire Fassel!\" chants during his final weeks as head coach of the New York Giants last season. \"It can drive you crazy.\" From head coach to head case in three easy steps.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A mentally unbalanced, unpredictable person, especially one who displays aggressive behavior."
      ],
      "id": "en-headcase-en-noun-6yLzWZbw",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "mentally",
          "mentally"
        ],
        [
          "unbalanced",
          "unbalanced"
        ],
        [
          "unpredictable",
          "unpredictable"
        ],
        [
          "aggressive",
          "aggressive"
        ],
        [
          "behavior",
          "behavior"
        ]
      ],
      "raw_glosses": [
        "(informal, derogatory, countable) A mentally unbalanced, unpredictable person, especially one who displays aggressive behavior."
      ],
      "tags": [
        "countable",
        "derogatory",
        "informal"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Genetics",
          "orig": "en:Genetics",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2016, Kazuo Emoto, Rachel Wong, Eric Huang, Casper Hoogenraad, editors, Dendrites: Development and Disease, Springer, page 280",
          "text": "Another gene downstream of EcR/Usp is headcase. Screening genes that show genetic interactions with EcR mutants, Loncle and Williams identified headcase as a regulator of dendrite pruning (Loncle and Williams 2012).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A genetic sequence that inhibits terminal branching of the trachea and regulates dendrite pruning."
      ],
      "id": "en-headcase-en-noun-jzuHTXGe",
      "links": [
        [
          "genetics",
          "genetics"
        ]
      ],
      "raw_glosses": [
        "(genetics, uncountable) A genetic sequence that inhibits terminal branching of the trachea and regulates dendrite pruning."
      ],
      "synonyms": [
        {
          "word": "hdc"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "biology",
        "genetics",
        "medicine",
        "natural-sciences",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "head-case"
    },
    {
      "_dis1": "0 0",
      "word": "head case"
    }
  ],
  "word": "headcase"
}
{
  "categories": [
    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English entries with topic categories using raw markup",
    "English lemmas",
    "English nouns",
    "English uncountable nouns",
    "en:People"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "head",
        "3": "case"
      },
      "expansion": "head + case",
      "name": "compound"
    }
  ],
  "etymology_text": "head + case",
  "forms": [
    {
      "form": "headcases",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "headcase (countable and uncountable, plural headcases)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English derogatory terms",
        "English informal terms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2004 April 5, Sean Gregory, “Full-Court Stress”, in Time, archived from the original on 2010-10-28",
          "text": "\"A stockbroker doesn't have 80,000 people sitting behind him just waiting for a mistake,\" says Jim Fassel, whom fans serenaded with \"Fire Fassel!\" chants during his final weeks as head coach of the New York Giants last season. \"It can drive you crazy.\" From head coach to head case in three easy steps.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A mentally unbalanced, unpredictable person, especially one who displays aggressive behavior."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "mentally",
          "mentally"
        ],
        [
          "unbalanced",
          "unbalanced"
        ],
        [
          "unpredictable",
          "unpredictable"
        ],
        [
          "aggressive",
          "aggressive"
        ],
        [
          "behavior",
          "behavior"
        ]
      ],
      "raw_glosses": [
        "(informal, derogatory, countable) A mentally unbalanced, unpredictable person, especially one who displays aggressive behavior."
      ],
      "tags": [
        "countable",
        "derogatory",
        "informal"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "English uncountable nouns",
        "en:Genetics"
      ],
      "examples": [
        {
          "ref": "2016, Kazuo Emoto, Rachel Wong, Eric Huang, Casper Hoogenraad, editors, Dendrites: Development and Disease, Springer, page 280",
          "text": "Another gene downstream of EcR/Usp is headcase. Screening genes that show genetic interactions with EcR mutants, Loncle and Williams identified headcase as a regulator of dendrite pruning (Loncle and Williams 2012).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A genetic sequence that inhibits terminal branching of the trachea and regulates dendrite pruning."
      ],
      "links": [
        [
          "genetics",
          "genetics"
        ]
      ],
      "raw_glosses": [
        "(genetics, uncountable) A genetic sequence that inhibits terminal branching of the trachea and regulates dendrite pruning."
      ],
      "synonyms": [
        {
          "word": "hdc"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "biology",
        "genetics",
        "medicine",
        "natural-sciences",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "head-case"
    },
    {
      "word": "head case"
    }
  ],
  "word": "headcase"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-04-26 from the enwiktionary dump dated 2024-04-21 using wiktextract (93a6c53 and 21a9316). 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.