っぱなし
っ放し
ppanashi

Suffix

1. leaving (on, open, unfinished, etc.)

Usually Written in Kana
いちにちじゅうちっぱなしだったのでくたくただ。
ichinichijū tachippanashidattanode kutakutada.
I'm worn out, because I've been standing all day.
Suffix

2. (doing) continuously; constantly; keep ...-ing

Usually Written in Kana