厚かましい (atsukamashii) conjugation
impudent, shameless,
厚かましい (あつかましい, atsukamashii) is an i-adjective. I-adjectives carry their own tense: drop the final い and the endings attach straight to the stem. No だ, no です needed to make a complete sentence.
Conjugation table
| Form | Plain (casual) | Polite (~です) | When you use it |
|---|---|---|---|
| Dictionary / plain | 厚かましい atsukamashii | 厚かましいです atsukamashiidesu | The form you look up. Also the casual “is ~”. |
| Negative | 厚かましくない atsukamashikunai | 厚かましくないです atsukamashikunaidesu | “is not ~”. |
| Past | 厚かましかった atsukamashikatta | 厚かましかったです atsukamashikattadesu | “was ~”. |
| Past negative | 厚かましくなかった atsukamashikunakatta | 厚かましくなかったです atsukamashikunakattadesu | “was not ~”. |
| Te-form | 厚かましくて atsukamashikute | — | Links to the next clause: “~ and …”. |
| Adverb | 厚かましく atsukamashiku | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 厚かましい〜 atsukamashii〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 厚かましければ atsukamashikereba | — | “if it is ~”. |
| Conditional (~たら) | 厚かましかったら atsukamashikattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 厚かましくなる atsukamashikunaru | 厚かましくなります atsukamashikunarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 厚かましすぎる atsukamashisugiru | 厚かましすぎます atsukamashisugimasu | “too ~”. |
| Looks ~ (~そう) | 厚かましそう atsukamashisou | 厚かましそうです atsukamashisoudesu | “looks / seems ~” from appearance. |
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Why it conjugates this way
I-adjectives carry their own tense: drop the final い and the endings attach straight to the stem. No だ, no です needed to make a complete sentence.
See the full rules in the adjective conjugation guide.