〜出す dasu

〜出す（dasu）means “to suddenly start ...; to begin ... (out)”. Attaches to a verb stem to express that an action suddenly begins, often unexpectedly or beyond control: 'to burst into / start . Formation: V-ます(去ます)+出す

to suddenly start ...; to begin ... (out)

N4

Formation

V-ます(去ます)+出す

Explanation

Attaches to a verb stem to express that an action suddenly begins, often unexpectedly or beyond control: 'to burst into / start ...'. It emphasizes the abrupt moment of onset, more than 〜始める, which is a neutral 'begin'.

Examples

あかちゃんが泣き出して、こまった。
あかちゃんがなきだして、こまった。
The baby suddenly started crying, and I was at a loss.
そらがくらくなって、きゅうにあめが降り出した。
そらがくらくなって、きゅうにあめがふりだした。
The sky darkened and it suddenly started to rain.

Note

Use 〜始める, not 〜出す, when you simply mean a planned/neutral start (e.g. 'I began studying').

FAQ

〜出す — what does it mean and how is it used?

to suddenly start ...; to begin ... (out). Attaches to a verb stem to express that an action suddenly begins, often unexpectedly or beyond control: 'to burst into / start ...'. It emphasizes the abrupt moment of onset, more than 〜始める, which is a neutral 'begin'.

〜出す — how do you form it?

V-ます(去ます)+出す

〜出す — any usage notes?

Use 〜始める, not 〜出す, when you simply mean a planned/neutral start (e.g. 'I began studying').

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