N5 grammar

〜くない

kunai

Negative i-adjectives

Formation

An i-adjective goes negative by trading its final い for くない. Politeness comes from adding です afterwards, not from changing the adjective. This is where the two adjective types part company, so it is worth practising against じゃない.

Examples

〜くない is marked in each sentence. Tap any word for its dictionary entry.

  1. Are not you ashamed of yourself?

  2. This car is not so nice as that one.

  3. In such thin clothes, are you warm enough?

  4. He is not as tall as his brother.

  5. We didn't have much fun.

The explanation is ours, written for this site. Example sentences from Tatoeba (CC BY 2.0 FR), each machine-checked to actually contain the pattern. Furigana is generated automatically, so a rare reading may be imperfect.