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いい (いい) — good, excellent, fine

いい good
Frequency #137 Grade 1 2 characters i-adjective (yoi/ii)

ii

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Meanings

  • good
  • excellent
  • fine

Adjective forms

Non-past covers present and future. Expand a form to see its plain, polite, affirmative and negative versions, where available. Some forms have multiple variants.

Na-adjectives use forms of だ. Conjectural and imperative forms can be formal or literary; everyday usage depends on context.

Compare conjugations
Non-past (present / future)

Plain · Affirmative

いい

ii

Plain · Negative

よくない

yokunai

Polite · Affirmative

いいです

iidesu

Polite · Negative

よくないです

yokunaidesu

Alternative variant

よくありません

yokuarimasen

Past

Plain · Affirmative

よかった

yokatta

Plain · Negative

よくなかった

yokunakatta

Polite · Affirmative

よかったです

yokattadesu

Polite · Negative

よくなかったです

yokunakattadesu

Alternative variant

よくありませんでした

yokuarimasendeshita

Te-form (connecting)

Plain · Affirmative

よくて

yokute

Plain · Negative

よくなくて

yokunakute

Provisional (〜ば)

Plain · Affirmative

よければ

yokereba

Plain · Negative

よくなければ

yokunakereba

Causative (make / cause to be)

Plain · Affirmative

よくさせる

yokusaseru

Conjectural (probably)

Plain · Affirmative

よかろう

yokarou

Polite · Affirmative

いいでしょう

iideshou

Conditional (〜たら)

Plain · Affirmative

よかったら

yokattara

Plain · Negative

よくなかったら

yokunakattara

Alternative (〜たり)

Plain · Affirmative

よかったり

yokattari

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