不当 (futou) conjugation
injustice, impropriety, unfair
不当 (ふとう, futou) 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 | 不当だ futouda | 不当です futoudesu | The form you look up. Also the casual “is ~”. |
| Negative | 不当じゃない futoujanai | 不当じゃないです futoujanaidesu | “is not ~”. |
| Past | 不当だった futoudatta | 不当でした futoudeshita | “was ~”. |
| Past negative | 不当じゃなかった futoujanakatta | 不当じゃなかったです futoujanakattadesu | “was not ~”. |
| Te-form | 不当で futoude | — | Links to the next clause: “~ and …”. |
| Adverb | 不当に futouni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 不当な〜 futouna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 不当なら futounara | — | “if it is ~”. |
| Conditional (~たら) | 不当だったら futoudattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 不当になる futouninaru | 不当になります futouninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 不当すぎる futousugiru | 不当すぎます futousugimasu | “too ~”. |
| Looks ~ (~そう) | 不当そう futousou | 不当そうです futousoudesu | “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.