Could you please give me some example sentences with とっさに? According to my dictionary, it means "quickly", but my dictionary doesn't give me any example sentence, so I don't know exactly how to use this word.

When do I use とっさに instead of other expressions like 速く、急に、急速に or さっと?

Thank you so much in advance for your help!

1 Answer 1


とっさに is semantically more like "without thinking", "instinctively", "instantly" or "reflexively". It's commonly used with an action to protect someone (physically or socially). Examples:

  • 前方に人影が見えたのでとっさにブレーキを踏んだ。
  • 叱られると思い、とっさに嘘をついてしまった。
  • 彼の顔は知っているが、名前はとっさには思い出せなかった。

It's almost never interchangeable with 急に.

とっさの means "happened in a very short time" and its connotation is "no time to think".

  • とっさの出来事だったのでうまく対応できなかった。
  • とっさの判断だったが、結果的にはうまく行った。
  • Thank you so much for your answer! It has been really helpful! :)
    – Rick
    Sep 1, 2020 at 14:03

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