無難 (bunan) conjugation
safety, security
無難 (ぶなん, bunan) 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 | 無難だ bunanda | 無難です bunandesu | The form you look up. Also the casual “is ~”. |
| Negative | 無難じゃない bunanjanai | 無難じゃないです bunanjanaidesu | “is not ~”. |
| Past | 無難だった bunandatta | 無難でした bunandeshita | “was ~”. |
| Past negative | 無難じゃなかった bunanjanakatta | 無難じゃなかったです bunanjanakattadesu | “was not ~”. |
| Te-form | 無難で bunande | — | Links to the next clause: “~ and …”. |
| Adverb | 無難に bunanni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 無難な〜 bunanna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 無難なら bunannara | — | “if it is ~”. |
| Conditional (~たら) | 無難だったら bunandattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 無難になる bunanninaru | 無難になります bunanninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 無難すぎる bunansugiru | 無難すぎます bunansugimasu | “too ~”. |
| Looks ~ (~そう) | 無難そう bunansou | 無難そうです bunansoudesu | “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.