"くない" meaning in Japanese

See くない in All languages combined, or Wiktionary

Noun

IPA: [kɯ̟na̠i] Forms: kunai [romanization], くなし [alternative]
Etymology: Unknown. The kanji spellings appear to be ateji (当て字). This term appears to be rare, and it is not listed in many dictionaries. Etymology templates: {{unk|ja}} Unknown, {{sortkey|ja|くない}} くない, {{ja-ateji}} ateji (当て字) Head templates: {{ja-noun}} くない • (kunai)
  1. (weaponry) a Japanese weapon, possibly derived from a masonry trowel Derived forms: 小苦無 (shō-kunai) (ruby: (しょう), (), (ない)) (english: small kunai), 大苦無 (dai-kunai) (ruby: (だい), (), (ない)) (english: big kunai) Coordinate_terms: 手裏剣 (shuriken) (ruby: (しゅ), (), (けん))
    Sense id: en-くない-ja-noun-z~x92TwF Categories (other): Weapons, Japanese entries with incorrect language header, Japanese links with redundant alt parameters, Japanese links with redundant wikilinks, Japanese particles, Japanese terms with redundant sortkeys, Tools, Weapons Disambiguation of Japanese entries with incorrect language header: 82 18 Disambiguation of Japanese links with redundant alt parameters: 90 10 Disambiguation of Japanese links with redundant wikilinks: 88 12 Disambiguation of Japanese particles: 90 10 Disambiguation of Japanese terms with redundant sortkeys: 88 12 Disambiguation of Tools: 86 14 Disambiguation of Weapons: 88 12 Topics: engineering, government, military, natural-sciences, physical-sciences, politics, tools, war, weaponry
The following are not (yet) sense-disambiguated
Etymology number: 1

Particle

IPA: [kɯ̟na̠i] Forms: kunai [romanization], くなし [alternative]
Etymology: Derived as a repurposing of the negative ending -ku nai of regular -i adjectives. Appears as slang in informal usage where standard Japanese would use じゃない (ja nai) instead. Etymology templates: {{ja-r|じゃ ない}} じゃない (ja nai) Head templates: {{ja-pos|particle}} くない • (kunai)
  1. (informal, slang) isn't it, aren't you (said when seeking confirmation from the listener) Tags: informal, slang
    Sense id: en-くない-ja-particle-aYZwetV7 Categories (other): Pages with 1 entry, Pages with entries Disambiguation of Pages with 1 entry: 42 58 Disambiguation of Pages with entries: 41 59
The following are not (yet) sense-disambiguated
Etymology number: 2

Alternative forms

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "kunai",
            "bor": "1"
          },
          "expansion": "→ English: kunai",
          "name": "desc"
        }
      ],
      "text": "→ English: kunai"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "ja"
      },
      "expansion": "Unknown",
      "name": "unk"
    },
    {
      "args": {
        "1": "ja",
        "2": "くない"
      },
      "expansion": "くない",
      "name": "sortkey"
    },
    {
      "args": {},
      "expansion": "ateji (当て字)",
      "name": "ja-ateji"
    }
  ],
  "etymology_text": "Unknown. The kanji spellings appear to be ateji (当て字).\nThis term appears to be rare, and it is not listed in many dictionaries.",
  "forms": [
    {
      "form": "kunai",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "くなし",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "くない • (kunai)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Weapons",
          "orig": "ja:Weapons",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "82 18",
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "90 10",
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "88 12",
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "90 10",
          "kind": "other",
          "name": "Japanese particles",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "88 12",
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "86 14",
          "kind": "other",
          "langcode": "ja",
          "name": "Tools",
          "orig": "ja:Tools",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "88 12",
          "kind": "other",
          "langcode": "ja",
          "name": "Weapons",
          "orig": "ja:Weapons",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "coordinate_terms": [
        {
          "roman": "shuriken",
          "ruby": [
            [
              "手",
              "しゅ"
            ],
            [
              "裏",
              "り"
            ],
            [
              "剣",
              "けん"
            ]
          ],
          "word": "手裏剣"
        }
      ],
      "derived": [
        {
          "english": "small kunai",
          "roman": "shō-kunai",
          "ruby": [
            [
              "小",
              "しょう"
            ],
            [
              "苦",
              "く"
            ],
            [
              "無",
              "ない"
            ]
          ],
          "word": "小苦無"
        },
        {
          "english": "big kunai",
          "roman": "dai-kunai",
          "ruby": [
            [
              "大",
              "だい"
            ],
            [
              "苦",
              "く"
            ],
            [
              "無",
              "ない"
            ]
          ],
          "word": "大苦無"
        }
      ],
      "glosses": [
        "a Japanese weapon, possibly derived from a masonry trowel"
      ],
      "id": "en-くない-ja-noun-z~x92TwF",
      "links": [
        [
          "weaponry",
          "weaponry"
        ],
        [
          "weapon",
          "weapon"
        ],
        [
          "masonry",
          "masonry"
        ],
        [
          "trowel",
          "trowel"
        ]
      ],
      "raw_glosses": [
        "(weaponry) a Japanese weapon, possibly derived from a masonry trowel"
      ],
      "topics": [
        "engineering",
        "government",
        "military",
        "natural-sciences",
        "physical-sciences",
        "politics",
        "tools",
        "war",
        "weaponry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[kɯ̟na̠i]"
    }
  ],
  "wikipedia": [
    "Daijirin",
    "Daijisen",
    "Kunai",
    "Kyōsuke Kindaichi",
    "ja:くない",
    "ja:松村明"
  ],
  "word": "くない"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "じゃ ない"
      },
      "expansion": "じゃない (ja nai)",
      "name": "ja-r"
    }
  ],
  "etymology_text": "Derived as a repurposing of the negative ending -ku nai of regular -i adjectives. Appears as slang in informal usage where standard Japanese would use じゃない (ja nai) instead.",
  "forms": [
    {
      "form": "kunai",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "くなし",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "particle"
      },
      "expansion": "くない • (kunai)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "particle",
  "senses": [
    {
      "categories": [
        {
          "_dis": "42 58",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "bold_roman_offsets": [
            [
              4,
              9
            ]
          ],
          "bold_text_offsets": [
            [
              2,
              5
            ]
          ],
          "roman": "Aru kunai?",
          "text": "あるくない?",
          "type": "example"
        },
        {
          "bold_english_offsets": [
            [
              56,
              64
            ]
          ],
          "bold_roman_offsets": [
            [
              33,
              38
            ]
          ],
          "bold_text_offsets": [
            [
              12,
              15
            ]
          ],
          "english": "We have the voicing mark once we get to the Edo period, don't we?",
          "ref": "2019 August 21, QuizKnock [QuizKnock], 5m30s from the start, in 【判じ絵】江戸時代のなぞなぞに東大生が挑戦!, via YouTube:",
          "roman": "Edo jidai ni naru to dakuten aru kunai?",
          "ruby": [
            [
              "江",
              "え"
            ],
            [
              "戸",
              "ど"
            ],
            [
              "時",
              "じ"
            ],
            [
              "代",
              "だい"
            ],
            [
              "濁",
              "だく"
            ],
            [
              "点",
              "てん"
            ]
          ],
          "text": "江戸時代になると濁点あるくない?",
          "type": "quote"
        },
        {
          "bold_roman_offsets": [
            [
              10,
              14
            ],
            [
              28,
              32
            ],
            [
              41,
              45
            ]
          ],
          "bold_text_offsets": [
            [
              4,
              6
            ],
            [
              11,
              13
            ],
            [
              16,
              18
            ]
          ],
          "english": "Dude, but look at this though; it's blinking. Isn't that whack?",
          "ref": "2020 October 28, QuizKnock [QuizKnock], 3m02s from the start, in 「ですが」が全部「か〜ら〜の〜?」になるクイズしてみたYO⤴【パリピ】, via YouTube:",
          "roman": "Tsuka yabakune kore? Hikaru kune? Hikaru kune?",
          "ruby": [
            [
              "光",
              "ひか"
            ],
            [
              "光",
              "ひか"
            ]
          ],
          "text": "つかやばくねコレ?光るくね?光るくね?",
          "type": "quote"
        }
      ],
      "glosses": [
        "isn't it, aren't you (said when seeking confirmation from the listener)"
      ],
      "id": "en-くない-ja-particle-aYZwetV7",
      "links": [
        [
          "isn't it",
          "isn't it"
        ]
      ],
      "raw_glosses": [
        "(informal, slang) isn't it, aren't you (said when seeking confirmation from the listener)"
      ],
      "tags": [
        "informal",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[kɯ̟na̠i]"
    }
  ],
  "word": "くない"
}
{
  "categories": [
    "Japanese entries with incorrect language header",
    "Japanese hiragana",
    "Japanese lemmas",
    "Japanese links with redundant alt parameters",
    "Japanese links with redundant wikilinks",
    "Japanese nouns",
    "Japanese particles",
    "Japanese terms spelled with ateji",
    "Japanese terms with IPA pronunciation",
    "Japanese terms with IPA pronunciation missing pitch accent",
    "Japanese terms with redundant sortkeys",
    "Japanese terms with unknown etymologies",
    "Pages with 1 entry",
    "Pages with entries",
    "ja:Tools",
    "ja:Weapons"
  ],
  "coordinate_terms": [
    {
      "roman": "shuriken",
      "ruby": [
        [
          "手",
          "しゅ"
        ],
        [
          "裏",
          "り"
        ],
        [
          "剣",
          "けん"
        ]
      ],
      "word": "手裏剣"
    }
  ],
  "derived": [
    {
      "english": "small kunai",
      "roman": "shō-kunai",
      "ruby": [
        [
          "小",
          "しょう"
        ],
        [
          "苦",
          "く"
        ],
        [
          "無",
          "ない"
        ]
      ],
      "word": "小苦無"
    },
    {
      "english": "big kunai",
      "roman": "dai-kunai",
      "ruby": [
        [
          "大",
          "だい"
        ],
        [
          "苦",
          "く"
        ],
        [
          "無",
          "ない"
        ]
      ],
      "word": "大苦無"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "kunai",
            "bor": "1"
          },
          "expansion": "→ English: kunai",
          "name": "desc"
        }
      ],
      "text": "→ English: kunai"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "ja"
      },
      "expansion": "Unknown",
      "name": "unk"
    },
    {
      "args": {
        "1": "ja",
        "2": "くない"
      },
      "expansion": "くない",
      "name": "sortkey"
    },
    {
      "args": {},
      "expansion": "ateji (当て字)",
      "name": "ja-ateji"
    }
  ],
  "etymology_text": "Unknown. The kanji spellings appear to be ateji (当て字).\nThis term appears to be rare, and it is not listed in many dictionaries.",
  "forms": [
    {
      "form": "kunai",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "くなし",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "くない • (kunai)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "ja:Weapons"
      ],
      "glosses": [
        "a Japanese weapon, possibly derived from a masonry trowel"
      ],
      "links": [
        [
          "weaponry",
          "weaponry"
        ],
        [
          "weapon",
          "weapon"
        ],
        [
          "masonry",
          "masonry"
        ],
        [
          "trowel",
          "trowel"
        ]
      ],
      "raw_glosses": [
        "(weaponry) a Japanese weapon, possibly derived from a masonry trowel"
      ],
      "topics": [
        "engineering",
        "government",
        "military",
        "natural-sciences",
        "physical-sciences",
        "politics",
        "tools",
        "war",
        "weaponry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[kɯ̟na̠i]"
    }
  ],
  "wikipedia": [
    "Daijirin",
    "Daijisen",
    "Kunai",
    "Kyōsuke Kindaichi",
    "ja:くない",
    "ja:松村明"
  ],
  "word": "くない"
}

{
  "categories": [
    "Japanese entries with incorrect language header",
    "Japanese hiragana",
    "Japanese lemmas",
    "Japanese links with redundant alt parameters",
    "Japanese links with redundant wikilinks",
    "Japanese particles",
    "Japanese terms with IPA pronunciation",
    "Japanese terms with IPA pronunciation missing pitch accent",
    "Japanese terms with redundant sortkeys",
    "Pages with 1 entry",
    "Pages with entries",
    "ja:Tools",
    "ja:Weapons"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "じゃ ない"
      },
      "expansion": "じゃない (ja nai)",
      "name": "ja-r"
    }
  ],
  "etymology_text": "Derived as a repurposing of the negative ending -ku nai of regular -i adjectives. Appears as slang in informal usage where standard Japanese would use じゃない (ja nai) instead.",
  "forms": [
    {
      "form": "kunai",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "くなし",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "particle"
      },
      "expansion": "くない • (kunai)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "particle",
  "senses": [
    {
      "categories": [
        "Japanese informal terms",
        "Japanese slang",
        "Japanese terms with usage examples"
      ],
      "examples": [
        {
          "bold_roman_offsets": [
            [
              4,
              9
            ]
          ],
          "bold_text_offsets": [
            [
              2,
              5
            ]
          ],
          "roman": "Aru kunai?",
          "text": "あるくない?",
          "type": "example"
        },
        {
          "bold_english_offsets": [
            [
              56,
              64
            ]
          ],
          "bold_roman_offsets": [
            [
              33,
              38
            ]
          ],
          "bold_text_offsets": [
            [
              12,
              15
            ]
          ],
          "english": "We have the voicing mark once we get to the Edo period, don't we?",
          "ref": "2019 August 21, QuizKnock [QuizKnock], 5m30s from the start, in 【判じ絵】江戸時代のなぞなぞに東大生が挑戦!, via YouTube:",
          "roman": "Edo jidai ni naru to dakuten aru kunai?",
          "ruby": [
            [
              "江",
              "え"
            ],
            [
              "戸",
              "ど"
            ],
            [
              "時",
              "じ"
            ],
            [
              "代",
              "だい"
            ],
            [
              "濁",
              "だく"
            ],
            [
              "点",
              "てん"
            ]
          ],
          "text": "江戸時代になると濁点あるくない?",
          "type": "quote"
        },
        {
          "bold_roman_offsets": [
            [
              10,
              14
            ],
            [
              28,
              32
            ],
            [
              41,
              45
            ]
          ],
          "bold_text_offsets": [
            [
              4,
              6
            ],
            [
              11,
              13
            ],
            [
              16,
              18
            ]
          ],
          "english": "Dude, but look at this though; it's blinking. Isn't that whack?",
          "ref": "2020 October 28, QuizKnock [QuizKnock], 3m02s from the start, in 「ですが」が全部「か〜ら〜の〜?」になるクイズしてみたYO⤴【パリピ】, via YouTube:",
          "roman": "Tsuka yabakune kore? Hikaru kune? Hikaru kune?",
          "ruby": [
            [
              "光",
              "ひか"
            ],
            [
              "光",
              "ひか"
            ]
          ],
          "text": "つかやばくねコレ?光るくね?光るくね?",
          "type": "quote"
        }
      ],
      "glosses": [
        "isn't it, aren't you (said when seeking confirmation from the listener)"
      ],
      "links": [
        [
          "isn't it",
          "isn't it"
        ]
      ],
      "raw_glosses": [
        "(informal, slang) isn't it, aren't you (said when seeking confirmation from the listener)"
      ],
      "tags": [
        "informal",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[kɯ̟na̠i]"
    }
  ],
  "word": "くない"
}

Download raw JSONL data for くない meaning in Japanese (5.1kB)

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "くない"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "くない",
  "trace": ""
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "くない"
  ],
  "section": "Japanese",
  "subsection": "particle",
  "title": "くない",
  "trace": ""
}

This page is a part of the kaikki.org machine-readable Japanese dictionary. This dictionary is based on structured data extracted on 2025-06-01 from the enwiktionary dump dated 2025-05-20 using wiktextract (3dadd05 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.