柔軟 (juunan) conjugation
flexible
柔軟 (じゅうなん, juunan) 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 | 柔軟だ juunanda | 柔軟です juunandesu | The form you look up. Also the casual “is ~”. |
| Negative | 柔軟じゃない juunanjanai | 柔軟じゃないです juunanjanaidesu | “is not ~”. |
| Past | 柔軟だった juunandatta | 柔軟でした juunandeshita | “was ~”. |
| Past negative | 柔軟じゃなかった juunanjanakatta | 柔軟じゃなかったです juunanjanakattadesu | “was not ~”. |
| Te-form | 柔軟で juunande | — | Links to the next clause: “~ and …”. |
| Adverb | 柔軟に juunanni | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 柔軟な〜 juunanna〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 柔軟なら juunannara | — | “if it is ~”. |
| Conditional (~たら) | 柔軟だったら juunandattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 柔軟になる juunanninaru | 柔軟になります juunanninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 柔軟すぎる juunansugiru | 柔軟すぎます juunansugimasu | “too ~”. |
| Looks ~ (~そう) | 柔軟そう juunansou | 柔軟そうです juunansoudesu | “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.