清らか (kiyoraka) conjugation
clean, pure, chaste
清らか (きよらか, kiyoraka) 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 | 清らかだ kiyorakada | 清らかです kiyorakadesu | The form you look up. Also the casual “is ~”. |
| Negative | 清らかじゃない kiyorakajanai | 清らかじゃないです kiyorakajanaidesu | “is not ~”. |
| Past | 清らかだった kiyorakadatta | 清らかでした kiyorakadeshita | “was ~”. |
| Past negative | 清らかじゃなかった kiyorakajanakatta | 清らかじゃなかったです kiyorakajanakattadesu | “was not ~”. |
| Te-form | 清らかで kiyorakade | — | Links to the next clause: “~ and …”. |
| Adverb | 清らかに kiyorakani | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 清らかな〜 kiyorakana〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 清らかなら kiyorakanara | — | “if it is ~”. |
| Conditional (~たら) | 清らかだったら kiyorakadattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 清らかになる kiyorakaninaru | 清らかになります kiyorakaninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 清らかすぎる kiyorakasugiru | 清らかすぎます kiyorakasugimasu | “too ~”. |
| Looks ~ (~そう) | 清らかそう kiyorakasou | 清らかそうです kiyorakasoudesu | “looks / seems ~” from appearance. |
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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.