Japanese i-adjective
nemui — sleepy 眠い
Explore the principal positive, negative, past, non-past and conditional forms of this Japanese adjective.
How i-adjectives conjugate
The final い 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 sleepy nemui 眠い | is not sleepy nemukunai 眠くない |
| Polite | nemui desu 眠いです | nemukunai desu 眠くないです | |
| Past | Plain | was sleepy nemukatta 眠かった | was not sleepy nemukunakatta 眠くなかった |
| Polite | nemukatta desu 眠かったです | nemukunakatta desu 眠くなかったです | |
| Presumptive | Plain | will probably be sleepy nemui darō 眠いだろう | nemukunai darō 眠くないだろう |
| Polite | nemui deshō 眠いでしょう | nemukunai deshō 眠くないでしょう | |
| Conditional | Standard | if it is sleepy nemukereba 眠ければ | if it is not sleepy nemukunakereba 眠くなければ |
| Connecting form | Standard | nemukute 眠くて | nemukunakute 眠くなくて |
These conjugations are generated automatically and are intended as a learning guide. Check the natural usage in context when accuracy is important.