薄暗い (usugurai) conjugation
dim, gloomy
薄暗い (うすぐらい, usugurai) is an i-adjective. I-adjectives carry their own tense: drop the final い and the endings attach straight to the stem. No だ, no です needed to make a complete sentence.
Conjugation table
| Form | Plain (casual) | Polite (~です) | When you use it |
|---|---|---|---|
| Dictionary / plain | 薄暗い usugurai | 薄暗いです usuguraidesu | The form you look up. Also the casual “is ~”. |
| Negative | 薄暗くない usugurakunai | 薄暗くないです usugurakunaidesu | “is not ~”. |
| Past | 薄暗かった usugurakatta | 薄暗かったです usugurakattadesu | “was ~”. |
| Past negative | 薄暗くなかった usugurakunakatta | 薄暗くなかったです usugurakunakattadesu | “was not ~”. |
| Te-form | 薄暗くて usugurakute | — | Links to the next clause: “~ and …”. |
| Adverb | 薄暗く usuguraku | — | Turns it into “~ly”, describing a verb. |
| Before a noun | 薄暗い〜 usugurai〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | 薄暗ければ usugurakereba | — | “if it is ~”. |
| Conditional (~たら) | 薄暗かったら usugurakattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | 薄暗くなる usugurakunaru | 薄暗くなります usugurakunarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | 薄暗すぎる usugurasugiru | 薄暗すぎます usugurasugimasu | “too ~”. |
| Looks ~ (~そう) | 薄暗そう usugurasou | 薄暗そうです usugurasoudesu | “looks / seems ~” from appearance. |
🔊 Tap any Japanese word to hear it spoken.
Why it conjugates this way
I-adjectives carry their own tense: drop the final い and the endings attach straight to the stem. No だ, no です needed to make a complete sentence.
See the full rules in the adjective conjugation guide.