きっと

• Reading: きっと
• Romaji: kitto
• Pronunciation: /kit.to/

Meaning

Surely; undoubtedly; almost certainly; most likely. Expresses strong confidence that something will happen.

An adverb expressing high probability (roughly 90%). Weaker than 必ず (kanarazu, without fail/100%) but stronger than たぶん (tabun, probably/60-70%). Often used to encourage, reassure, or make predictions. Very common in everyday conversation.

Examples

1. 明日はきっといい天気になりますよ。 Tomorrow will surely be nice weather.
2. 頑張れば、きっと合格できると思います。 If you work hard, I'm sure you can pass.
3. 彼女はきっと喜ぶと思います。 I'm sure she'll be happy.

Usage Guide

Context: encouragement, predictions, daily life

Tone: hopeful

Origin & History

Originally written 屹度 in kanji, from 屹 (towering/standing firm) and 度 (degree/extent). The kanji form is now archaic — modern Japanese writes this word almost exclusively in hiragana.

Cultural Context

Era: Ancient

Generation: All ages

Social background: Universal