expression, godan verb (-su)
mess up a room; leave a room in a mess; scatter things around a room
Describes the action of making a room untidy by leaving things scattered about. Often used when someone carelessly leaves items lying around.
子供がおもちゃで部屋を散らかした。
The child messed up the room with toys.
部屋を散らかすのはやめてください。
Please stop leaving the room a mess.
Compound of 部屋 (room) + を (object marker) + 散らかす (to scatter, mess up). The verb 散らかす is derived from 散る (to scatter) with the transitive suffix かす.