〜っぱなし
Formation
Meaning
Used to express that someone has left something in a certain state without doing what should be done afterwards. It often carries a negative nuance of dissatisfaction, exasperation, or carelessness.
Note
Indicates that a state remains unchanged, often when it should have been addressed. It frequently carries a negative tone of carelessness, laziness, or exasperation.
Examples
テレビをつけっぱなしにして寝てしまった。
I ended up falling asleep with the TV left on.
ドアを開けっぱなしにしないでください。
Please do not leave the door open.
水を出しっぱなしにするのはもったいない。
It's a waste to leave the water running.
彼は脱ぎっぱなしにした服を片付けない。
He doesn't tidy up the clothes he leaves lying around after taking them off.
借りっぱなしの本を早く返さなければならない。
I must quickly return the book I've kept borrowed for a long time.
一日中立ちっぱなしで足が疲れた。
My legs are tired from standing up all day long.