Japanese i-adjective

suzushii — cool 涼しい

Explore the principal positive, negative, past, non-past and conditional forms of this Japanese adjective.

How i-adjectives conjugate

The final changes to create negative, past and connecting forms. The adjective itself carries this grammatical information, so a separate verb is not required in the plain forms.

Conjugation table

The English glosses are approximate; the natural translation depends on the surrounding sentence.

Form Style Positive Negative
Present (non-past) Plain is cool suzushii 涼しい is not cool suzushikunai 涼しくない
Polite suzushii desu 涼しいです suzushikunai desu 涼しくないです
Past Plain was cool suzushikatta 涼しかった was not cool suzushikunakatta 涼しくなかった
Polite suzushikatta desu 涼しかったです suzushikunakatta desu 涼しくなかったです
Presumptive Plain will probably be cool suzushii darō 涼しいだろう suzushikunai darō 涼しくないだろう
Polite suzushii deshō 涼しいでしょう suzushikunai deshō 涼しくないでしょう
Conditional Standard if it is cool suzushikereba 涼しければ if it is not cool suzushikunakereba 涼しくなければ
Connecting form Standard suzushikute 涼しくて suzushikunakute 涼しくなくて

These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.