雑 (zatsu) conjugation
rough, crude
雑 (ざつ, zatsu) 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 | 雑だ zatsuda | 雑です zatsudesu | The form you look up. Also the casual “is ~”. |
| Negative | 雑じゃない zatsujanai | 雑じゃないです zatsujanaidesu | “is not ~”. |
| Past | 雑だった zatsudatta | 雑でした zatsudeshita | “was ~”. |
| Past negative | 雑じゃなかった zatsujanakatta | 雑じゃなかったです zatsujanakattadesu | “was not ~”. |
| Te-form | 雑で zatsude | — | Links to the next clause: “~ and …”. |
| Adverb | 雑に zatsuni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 雑な〜 zatsuna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 雑なら zatsunara | — | “if it is ~”. |
| Conditional (~たら) | 雑だったら zatsudattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 雑になる zatsuninaru | 雑になります zatsuninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 雑すぎる zatsusugiru | 雑すぎます zatsusugimasu | “too ~”. |
| Looks ~ (~そう) | 雑そう zatsusou | 雑そうです zatsusoudesu | “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.