冷淡 (reitan) conjugation
coolness, indifference
冷淡 (れいたん, reitan) 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 | 冷淡だ reitanda | 冷淡です reitandesu | The form you look up. Also the casual “is ~”. |
| Negative | 冷淡じゃない reitanjanai | 冷淡じゃないです reitanjanaidesu | “is not ~”. |
| Past | 冷淡だった reitandatta | 冷淡でした reitandeshita | “was ~”. |
| Past negative | 冷淡じゃなかった reitanjanakatta | 冷淡じゃなかったです reitanjanakattadesu | “was not ~”. |
| Te-form | 冷淡で reitande | — | Links to the next clause: “~ and …”. |
| Adverb | 冷淡に reitanni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 冷淡な〜 reitanna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 冷淡なら reitannara | — | “if it is ~”. |
| Conditional (~たら) | 冷淡だったら reitandattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 冷淡になる reitanninaru | 冷淡になります reitanninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 冷淡すぎる reitansugiru | 冷淡すぎます reitansugimasu | “too ~”. |
| Looks ~ (~そう) | 冷淡そう reitansou | 冷淡そうです reitansoudesu | “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.