著名 (chomei) conjugation
well-known, noted, celebrated
著名 (ちょめい, chomei) 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 | 著名だ chomeida | 著名です chomeidesu | The form you look up. Also the casual “is ~”. |
| Negative | 著名じゃない chomeijanai | 著名じゃないです chomeijanaidesu | “is not ~”. |
| Past | 著名だった chomeidatta | 著名でした chomeideshita | “was ~”. |
| Past negative | 著名じゃなかった chomeijanakatta | 著名じゃなかったです chomeijanakattadesu | “was not ~”. |
| Te-form | 著名で chomeide | — | Links to the next clause: “~ and …”. |
| Adverb | 著名に chomeini | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 著名な〜 chomeina〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 著名なら chomeinara | — | “if it is ~”. |
| Conditional (~たら) | 著名だったら chomeidattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 著名になる chomeininaru | 著名になります chomeininarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 著名すぎる chomeisugiru | 著名すぎます chomeisugimasu | “too ~”. |
| Looks ~ (~そう) | 著名そう chomeisou | 著名そうです chomeisoudesu | “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.