必死 (hisshi) conjugation
desperation, frantic, inevitable result
必死 (ひっし, hisshi) 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 | 必死だ hisshida | 必死です hisshidesu | The form you look up. Also the casual “is ~”. |
| Negative | 必死じゃない hisshijanai | 必死じゃないです hisshijanaidesu | “is not ~”. |
| Past | 必死だった hisshidatta | 必死でした hisshideshita | “was ~”. |
| Past negative | 必死じゃなかった hisshijanakatta | 必死じゃなかったです hisshijanakattadesu | “was not ~”. |
| Te-form | 必死で hisshide | — | Links to the next clause: “~ and …”. |
| Adverb | 必死に hisshini | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 必死な〜 hisshina〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 必死なら hisshinara | — | “if it is ~”. |
| Conditional (~たら) | 必死だったら hisshidattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 必死になる hisshininaru | 必死になります hisshininarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 必死すぎる hisshisugiru | 必死すぎます hisshisugimasu | “too ~”. |
| Looks ~ (~そう) | 必死そう hisshisou | 必死そうです hisshisoudesu | “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.