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    きっと大丈夫 (kitto daijoubu) - It'll definitely be alright

    Grammar & Usage

    fixed expression
    neutral to casual, often used to reassure or express strong confidence

    How it works

    This phrase combines an adverb of certainty, きっと (kitto, 'surely', 'definitely'), with an adjective, 大丈夫 (daijoubu, 'alright', 'okay', 'fine'). 大丈夫 functions as a na-adjective. Together, they form a strong reassurance or statement of positive certainty.

    Sample sentences

    心配しないで、きっと大丈夫だよ。

    Don't worry, it'll definitely be alright.

    テストは難しかったけど、きっと大丈夫。

    The test was difficult, but I'm sure I'll be fine.

    彼なら、どんな困難もきっと大丈夫でしょう。

    If it's him, he'll definitely be fine no matter what difficulties he faces.

    Quick facts

    usage:Used to comfort someone, express strong conviction, or reassure oneself in a challenging situation. The 'きっと' adds a strong sense of conviction beyond just '大丈夫'.
    nuance:Carries a comforting and optimistic tone, often implying that despite current difficulties, the outcome will be positive.

    Mnemonic

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    Example

    心配しないで、きっと大丈夫だよ。

    Don't worry, it'll definitely be alright.

    テストは難しかったけど、きっと大丈夫。

    The test was difficult, but I'm sure I'll be fine.

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