adverb
surely; undoubtedly; almost certainly
Expresses strong conviction or high probability about a future event or state. Often used when the speaker is confident based on intuition or expectation.
明日はきっと晴れるでしょう。
It will surely be sunny tomorrow.
I think he will undoubtedly succeed.
adverb
Describes a sharp, intense manner of looking, speaking, or acting. Often written in katakana as キッと for emphasis.
先生はいたずらをした生徒をきっとにらんだ。
The teacher glared sternly at the student who had misbehaved.
adverb
tightly; stiffly; rigidly
Indicates a state of being pulled taut, stiff, or without slack. Often used with verbs like 結ぶ (tie) or 張る (stretch).
ひもをきっと結んでください。
Please tie the string tightly.
adverb
Archaic adverbial use meaning 'suddenly' or 'instantly'. Not used in modern Japanese outside of classical texts or fixed expressions.
古文では「きっと」が「突然に」の意味で使われることがある。
In classical Japanese, きっと can be used to mean 'suddenly'.