嫌 (iya) conjugation
disagreeable, detestable, unpleasant
嫌 (いや, iya) is a na-adjective. Na-adjectives behave like nouns. The word itself never changes — you conjugate だ/です after it, and you need な to put it in front of a noun.
Conjugation table
| Form | Plain (casual) | Polite (~です) | When you use it |
|---|---|---|---|
| Dictionary / plain | 嫌だ iyada | 嫌です iyadesu | The form you look up. Also the casual “is ~”. |
| Negative | 嫌じゃない iyajanai | 嫌じゃないです iyajanaidesu | “is not ~”. |
| Past | 嫌だった iyadatta | 嫌でした iyadeshita | “was ~”. |
| Past negative | 嫌じゃなかった iyajanakatta | 嫌じゃなかったです iyajanakattadesu | “was not ~”. |
| Te-form | 嫌で iyade | — | Links to the next clause: “~ and …”. |
| Adverb | 嫌に iyani | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 嫌な〜 iyana〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 嫌なら iyanara | — | “if it is ~”. |
| Conditional (~たら) | 嫌だったら iyadattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 嫌になる iyaninaru | 嫌になります iyaninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 嫌すぎる iyasugiru | 嫌すぎます iyasugimasu | “too ~”. |
| Looks ~ (~そう) | 嫌そう iyasou | 嫌そうです iyasoudesu | “looks / seems ~” from appearance. |
🔊 Tap any Japanese word to hear it spoken.
Why it conjugates this way
Na-adjectives behave like nouns. The word itself never changes — you conjugate だ/です after it, and you need な to put it in front of a noun.
See the full rules in the adjective conjugation guide.