Leaving something as-is with

Grammar: Condition » 〜っぱなし

Add っぱなし to a verb stem when an action continues unchecked or leaves something in the resulting state. It usually criticizes the person responsible: ドアを開(あ)けっぱなし “leave the door open”. The form comes from 放(はな)す.

Usage Notes

〜っぱなし criticizes an unattended state. The focus stays on the state after the action.

Further Reading

Examples

Leaving the futon out with 〜っぱなし

Manga panel from よつばと! showing example of Leaving the futon out with 〜っぱなし.
よつばと! » Volume 9 » Page 143

Yotsuba invites her neighbors over for coffee. She first gives the three a tour of the house, leading up to the kitchen.

風香(ふうか):
「洗(あら)い物(もの)がたまってるのが気(き)になる…」
“It bothers me that these dishes are piled up...”
あさぎ:
「私(わたし)は廊下(ろうか)のスミにホコリがたまってるのが気(き)になる」
“What bothers me is the dust built up in the hallway.”
恵那(えな):
「おふとんだしっぱなしが気(き)になる」
“It bothers me that the futon is left laying out.”