Japanese i-adjective

wakai — young 若い

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 young wakai 若い is not young wakakunai 若くない
Polite wakai desu 若いです wakakunai desu 若くないです
Past Plain was young wakakatta 若かった was not young wakakunakatta 若くなかった
Polite wakakatta desu 若かったです wakakunakatta desu 若くなかったです
Presumptive Plain will probably be young wakai darō 若いだろう wakakunai darō 若くないだろう
Polite wakai deshō 若いでしょう wakakunai deshō 若くないでしょう
Conditional Standard if it is young wakakereba 若ければ if it is not young wakakunakereba 若くなければ
Connecting form Standard wakakute 若くて wakakunakute 若くなくて

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