不吉 (fukitsu) conjugation
ominous, sinister, bad luck, ill omen
不吉 (ふきつ, fukitsu) 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 | 不吉だ fukitsuda | 不吉です fukitsudesu | The form you look up. Also the casual “is ~”. |
| Negative | 不吉じゃない fukitsujanai | 不吉じゃないです fukitsujanaidesu | “is not ~”. |
| Past | 不吉だった fukitsudatta | 不吉でした fukitsudeshita | “was ~”. |
| Past negative | 不吉じゃなかった fukitsujanakatta | 不吉じゃなかったです fukitsujanakattadesu | “was not ~”. |
| Te-form | 不吉で fukitsude | — | Links to the next clause: “~ and …”. |
| Adverb | 不吉に fukitsuni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 不吉な〜 fukitsuna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 不吉なら fukitsunara | — | “if it is ~”. |
| Conditional (~たら) | 不吉だったら fukitsudattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 不吉になる fukitsuninaru | 不吉になります fukitsuninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 不吉すぎる fukitsusugiru | 不吉すぎます fukitsusugimasu | “too ~”. |
| Looks ~ (~そう) | 不吉そう fukitsusou | 不吉そうです fukitsusoudesu | “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.