GrammarN22 min read2026-02-17

〜っぱなし

Japanese grammar pattern for describing actions left unfinished or states left unchanged.

Meaning

〜っぱなし describes an action or state that remains unfinished or unchanged after being started. It typically carries a negative connotation, suggesting that something undesirable continues or that an important task remains undone. The pattern expresses the speaker's frustration, dissatisfaction, or criticism about the ongoing situation.

Formation

Part of speechFormation
動詞(ます形)っぱなし

Examples

  1. 誰かがエアコンをつけっぱなしにしておいたに違いない。
    Someone must have left the air conditioner running without turning it off.

  2. 窓を開けっぱなしにして出かけてきてしまった。
    I went out with the window left open.

  3. 今日バスがとても混んでいて、学校までずっと立ちっぱなしだった。
    The bus was very crowded today, so I stood the whole way to school.

Summary

  • Forms with verb ます-stem + っぱなし to show continued/unfinished states
  • Usually negative in tone, expressing the speaker's dissatisfaction or complaint
  • Common in daily situations: つけっぱなし (left on), 開けっぱなし (left open), 立ちっぱなし (standing continuously)

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