いい - Wiktionary, the free dictionary


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Alternative spellings
良い
善い
好い

⟨yo2si⟩ → */jəsi/ → /joɕi/ → /joki/ → */joɣi/ → /joi/ → */jiː/ → /iː/

Ultimately a shift from 良い (yoi), classical 良し (yoshi).

  • Tokyo pitch accent of inflected forms of 「いい」
Source: Online Japanese Accent Dictionary
Stem forms
Continuative (連用形) よく よく [yóꜜkù]
Terminal (終止形) いい いい [íꜜì]
Attributive (連体形) いい いい [íꜜì]
Key constructions
Informal negative よくない よくない [yóꜜkùnàì]
Informal past よかった よかった [yóꜜkàttà]
Informal negative past よくなかった よくなかった [yóꜜkùnàkàttà]
Formal いいです いいです [íꜜìdèsù]
Conjunctive よくて よくて [yóꜜkùtè]
Conditional よければ よければ [yóꜜkèrèbà]

いい • (ii) -i (adverbial よく (yoku))

  1. (colloquial, informal) good
  2. (colloquial, predicative only) enough, not wanted any more
    酒(さけ)はもういい ― sake wa mō ii ― I have had enough wine.I don’t want any more wine.
  3. (ても~, て~) Indicates permission; can, may
  • Most often written in this form. The kanji spelling 良い is generally reserved for more formal writing.
  • This form does not inflect — it is only used in the 終止形 (shūshikei, “terminal form”) and 連体形 (rentaikei, “attributive form”) of ii. All other grammatical forms are based on 良い (yoi). Compare the 連用形 (ren’yōkei, “continuative or adverbial form”) yoku or the 過去形 (kakokei, “past tense”) yokatta; there is no *iku or *ikatta form.
  • In ironic usages denoting “very bad” or “embarrassing”, this form is preferred to the yoi form.
Stem forms
Imperfective (未然形) よかろ yokaro
Continuative (連用形) よく yoku
Terminal (終止形) いい ii
Attributive (連体形) いい ii
Hypothetical (仮定形) よけれ yokere
Imperative (命令形) よかれ yokare
Key constructions
Informal negative よくない yoku nai
Informal past よかった yokatta
Informal negative past よくなかった yoku nakatta
Formal いいです ii desu
Formal negative よくないです yoku nai desu
Formal past よかったです yokatta desu
Formal negative past よくなかったです yoku nakatta desu
Conjunctive よくて yokute
Conditional よければ yokereba
Provisional よかったら yokattara
Volitional よかろう yokarō
Adverbial よく yoku
Degree よさ yosa

いい • (ii) 

  1. stem or continuative form of いう (iu) [godan]
For pronunciation and definitions of いい – see the following entry.
(This term, いい (ī), is the hiragana spelling of the above term.)
For a list of all kanji read as いい, see Category:Japanese kanji read as いい.)
  1. ^ Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
  2. ^ NHK Broadcasting Culture Research Institute, editor (1998), NHK日本語発音アクセント辞典 [NHK Japanese Pronunciation Accent Dictionary] (in Japanese), Tokyo: NHK Publishing, Inc., →ISBN