生意気 (namaiki) conjugation
impertinent, impudent
生意気 (なまいき, namaiki) 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 | 生意気だ namaikida | 生意気です namaikidesu | The form you look up. Also the casual “is ~”. |
| Negative | 生意気じゃない namaikijanai | 生意気じゃないです namaikijanaidesu | “is not ~”. |
| Past | 生意気だった namaikidatta | 生意気でした namaikideshita | “was ~”. |
| Past negative | 生意気じゃなかった namaikijanakatta | 生意気じゃなかったです namaikijanakattadesu | “was not ~”. |
| Te-form | 生意気で namaikide | — | Links to the next clause: “~ and …”. |
| Adverb | 生意気に namaikini | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 生意気な〜 namaikina〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 生意気なら namaikinara | — | “if it is ~”. |
| Conditional (~たら) | 生意気だったら namaikidattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 生意気になる namaikininaru | 生意気になります namaikininarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 生意気すぎる namaikisugiru | 生意気すぎます namaikisugimasu | “too ~”. |
| Looks ~ (~そう) | 生意気そう namaikisou | 生意気そうです namaikisoudesu | “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.