あやふや (ayafuya) conjugation
uncertain, vague, ambiguous
あやふや (あやふや, ayafuya) 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 | あやふやだ ayafuyada | あやふやです ayafuyadesu | The form you look up. Also the casual “is ~”. |
| Negative | あやふやじゃない ayafuyajanai | あやふやじゃないです ayafuyajanaidesu | “is not ~”. |
| Past | あやふやだった ayafuyadatta | あやふやでした ayafuyadeshita | “was ~”. |
| Past negative | あやふやじゃなかった ayafuyajanakatta | あやふやじゃなかったです ayafuyajanakattadesu | “was not ~”. |
| Te-form | あやふやで ayafuyade | — | Links to the next clause: “~ and …”. |
| Adverb | あやふやに ayafuyani | — | Turns it into “~ly”, describing a verb. |
| Before a noun | あやふやな〜 ayafuyana〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | あやふやなら ayafuyanara | — | “if it is ~”. |
| Conditional (~たら) | あやふやだったら ayafuyadattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | あやふやになる ayafuyaninaru | あやふやになります ayafuyaninarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | あやふやすぎる ayafuyasugiru | あやふやすぎます ayafuyasugimasu | “too ~”. |
| Looks ~ (~そう) | あやふやそう ayafuyasou | あやふやそうです ayafuyasoudesu | “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.