滑らか (nameraka) conjugation
smoothness, glassiness
滑らか (なめらか, nameraka) 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 | 滑らかだ namerakada | 滑らかです namerakadesu | The form you look up. Also the casual “is ~”. |
| Negative | 滑らかじゃない namerakajanai | 滑らかじゃないです namerakajanaidesu | “is not ~”. |
| Past | 滑らかだった namerakadatta | 滑らかでした namerakadeshita | “was ~”. |
| Past negative | 滑らかじゃなかった namerakajanakatta | 滑らかじゃなかったです namerakajanakattadesu | “was not ~”. |
| Te-form | 滑らかで namerakade | — | Links to the next clause: “~ and …”. |
| Adverb | 滑らかに namerakani | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 滑らかな〜 namerakana〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 滑らかなら namerakanara | — | “if it is ~”. |
| Conditional (~たら) | 滑らかだったら namerakadattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 滑らかになる namerakaninaru | 滑らかになります namerakaninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 滑らかすぎる namerakasugiru | 滑らかすぎます namerakasugimasu | “too ~”. |
| Looks ~ (~そう) | 滑らかそう namerakasou | 滑らかそうです namerakasoudesu | “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.