きつい (kitsui) conjugation
tight, close, intense
きつい (きつい, kitsui) 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 | きつい kitsui | きついです kitsuidesu | The form you look up. Also the casual “is ~”. |
| Negative | きつくない kitsukunai | きつくないです kitsukunaidesu | “is not ~”. |
| Past | きつかった kitsukatta | きつかったです kitsukattadesu | “was ~”. |
| Past negative | きつくなかった kitsukunakatta | きつくなかったです kitsukunakattadesu | “was not ~”. |
| Te-form | きつくて kitsukute | — | Links to the next clause: “~ and …”. |
| Adverb | きつく kitsuku | — | Turns it into “~ly”, describing a verb. |
| Before a noun | きつい〜 kitsui〜 | — | How it attaches when it modifies a noun. |
| Conditional (~ば/なら) | きつければ kitsukereba | — | “if it is ~”. |
| Conditional (~たら) | きつかったら kitsukattara | — | “if / when it is ~”. The everyday conditional. |
| Become (~なる) | きつくなる kitsukunaru | きつくなります kitsukunarimasu | “becomes ~” — the change-of-state form. |
| Too much (~すぎる) | きつすぎる kitsusugiru | きつすぎます kitsusugimasu | “too ~”. |
| Looks ~ (~そう) | きつそう kitsusou | きつそうです kitsusoudesu | “looks / seems ~” from appearance. |
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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.