几帳面 (kichoumen) conjugation
methodical, punctual, steady
几帳面 (きちょうめん, kichoumen) 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 | 几帳面だ kichoumenda | 几帳面です kichoumendesu | The form you look up. Also the casual “is ~”. |
| Negative | 几帳面じゃない kichoumenjanai | 几帳面じゃないです kichoumenjanaidesu | “is not ~”. |
| Past | 几帳面だった kichoumendatta | 几帳面でした kichoumendeshita | “was ~”. |
| Past negative | 几帳面じゃなかった kichoumenjanakatta | 几帳面じゃなかったです kichoumenjanakattadesu | “was not ~”. |
| Te-form | 几帳面で kichoumende | — | Links to the next clause: “~ and …”. |
| Adverb | 几帳面に kichoumenni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 几帳面な〜 kichoumenna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 几帳面なら kichoumennara | — | “if it is ~”. |
| Conditional (~たら) | 几帳面だったら kichoumendattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 几帳面になる kichoumenninaru | 几帳面になります kichoumenninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 几帳面すぎる kichoumensugiru | 几帳面すぎます kichoumensugimasu | “too ~”. |
| Looks ~ (~そう) | 几帳面そう kichoumensou | 几帳面そうです kichoumensoudesu | “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.