~っぱなし

っぱなし
~ppanashi
Meaning: 1) left as is; unchanged 2) continue an action
JLPT Level: 3
Examples

一晩中、ラジオをつけっぱなしだった。
hitobanjuu, rajio o tsukeppanashi datta.
all night long-radio-(direct object)-left on-was
The radio was left on all night long.

ふられたあと、彼女は泣きっぱなしだった。
furareta ato, kanojo wa nakippanashi datta.
dumped-after-she-(topic marker)-cry-continued-did
After being dumped, she cried and cried.

Notes: This is an example of continuing an action.