Japanese by Example
Learning through examples in manga

Leaving something as-is with 〜っぱなし

Grammar: Condition » 〜っぱなし

っぱなし is appended to a verb stem to show that something has been left in the state or condition from that action, with a negative connotation to leaving it as such.

ぱなし comes from the verb (はな)す.

Further Reading

Examples

Leaving the futon out with 〜っぱなし

Manga panel from よつばと! showing example of Leaving something as-is 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):
(あら)(もの)がたまってるのが()になる…」
“It bothers me that these dishes are piled up...”
あさぎ:
(わたし)廊下(ろうか)のスミにホコリがたまってるのが()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()になる」
“It bothers me that the futon is leftlaying out.”

Leaving toys scattered about with 〜っぱなし

Manga panel from からかい上手の(元)高木さん showing example of Leaving something as-is with 〜っぱなし.
からかい上手の(元)高木さん » Volume 11 » Page 34

Chi’s mother comes into the room.

(かあ)さん:
「おもちゃ()らかりっぱなしだよ。」
“Your toys are leftscattered about.”

The use of っぱなし means that Chi has scattered her toys out earlier, and they are still scattered out. This has a negative connotation, as Chi should have put her toys away after playing with them.