粗末 (somatsu) conjugation
humble, miserable, crude
粗末 (そまつ, somatsu) 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 | 粗末だ somatsuda | 粗末です somatsudesu | The form you look up. Also the casual “is ~”. |
| Negative | 粗末じゃない somatsujanai | 粗末じゃないです somatsujanaidesu | “is not ~”. |
| Past | 粗末だった somatsudatta | 粗末でした somatsudeshita | “was ~”. |
| Past negative | 粗末じゃなかった somatsujanakatta | 粗末じゃなかったです somatsujanakattadesu | “was not ~”. |
| Te-form | 粗末で somatsude | — | Links to the next clause: “~ and …”. |
| Adverb | 粗末に somatsuni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 粗末な〜 somatsuna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 粗末なら somatsunara | — | “if it is ~”. |
| Conditional (~たら) | 粗末だったら somatsudattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 粗末になる somatsuninaru | 粗末になります somatsuninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 粗末すぎる somatsusugiru | 粗末すぎます somatsusugimasu | “too ~”. |
| Looks ~ (~そう) | 粗末そう somatsusou | 粗末そうです somatsusoudesu | “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.