Japanese i-adjective

mezurashii — rare 珍しい

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 rare mezurashii 珍しい is not rare mezurashikunai 珍しくない
Polite mezurashii desu 珍しいです mezurashikunai desu 珍しくないです
Past Plain was rare mezurashikatta 珍しかった was not rare mezurashikunakatta 珍しくなかった
Polite mezurashikatta desu 珍しかったです mezurashikunakatta desu 珍しくなかったです
Presumptive Plain will probably be rare mezurashii darō 珍しいだろう mezurashikunai darō 珍しくないだろう
Polite mezurashii deshō 珍しいでしょう mezurashikunai deshō 珍しくないでしょう
Conditional Standard if it is rare mezurashikereba 珍しければ if it is not rare mezurashikunakereba 珍しくなければ
Connecting form Standard mezurashikute 珍しくて mezurashikunakute 珍しくなくて

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