JAPANESE STUDY SYSTEMKOTOWA 词和
N5 — N1
READING CONTROL
Vocabulary collection7,811
Kanji collection2,383
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Grammar collection0526
SILVER ERA · ことばを、少しずつ。
JLPT BANDN5 BEGINNER → N1 ADVANCED

いけない

N3
ikenai
  1. must not do
  2. bad
  3. wrong
  4. not good
expressionい-adjective

Chinese meanings

不行;不好;不可以

Examples

  • 友ゆう人じんは助たすけ合あわなければいけない。
    Friends should help one another.
    朋友之间必须互相帮助。
  • 歩あるきながら本ほんを読よんではいけない。
    Do not read while walking.
    不可以边走边看书。
Use this entry in code
import { getVocabById } from 'kotowa';
getVocabById('140d8ab306'); // いけない
{
  "id": "140d8ab306",
  "word": "いけない",
  "reading": "いけない",
  "romaji": "ikenai",
  "meanings": [
    "must not do",
    "bad",
    "wrong",
    "not good"
  ],
  "level": "N3",
  "pos": [
    "exp",
    "adj-i"
  ],
  "jmdict_id": 1000730,
  "examples": [
    {
      "ja": "友人は助け合わなければいけない。",
      "furigana": "{友人|ゆうじん}は{助|たす}け{合|あ}わなければいけない。",
      "en": "Friends should help one another.",
      "tatoeba_id": 79353
    },
    {
      "ja": "歩きながら本を読んではいけない。",
      "furigana": "{歩|ある}きながら{本|ほん}を{読|よ}んではいけない。",
      "en": "Do not read while walking.",
      "tatoeba_id": 83212
    }
  ],
  "zh": {
    "status": "reviewed",
    "source_hash": "4aa1f610420a3b10e760a7b3e527f54ffc9233b742ce0d95fde93d08ebc7b0ac",
    "meanings": [
      "不行",
      "不好",
      "不可以"
    ],
    "examples": [
      {
        "ja": "友人は助け合わなければいけない。",
        "zh": "朋友之间必须互相帮助。"
      },
      {
        "ja": "歩きながら本を読んではいけない。",
        "zh": "不可以边走边看书。"
      }
    ],
    "references": [
      "upstream vocab/n3/140d8ab306",
      "JMdict_e.gz, ent_seq 1000730",
      "Original Chinese authored and reviewed by Codex; no independent human review"
    ],
    "reviewer": "Codex",
    "review_method": "ai",
    "reviewed_at": "2026-10-28",
    "review_hash": "5565a6a213d0ebe357e6d46cd6a5f6a400897518e2db58eb41aee8f8c2b32ea3"
  }
}