散らかす

1. Origins, structure, and basic meaning

• Structure: 散らかす is a godan transitive verb read ちらかす, meaning to make a place messy by scattering things. Its past form is 散らかした, and its negative stem appears in 散らかさない.
• Basic usage: It can describe someone making a mess of a room or an instruction intended to keep a desk from becoming cluttered.
  • 弟は玩具を床いっぱいに広げて部屋を散らかした。 says that the younger brother spread toys all over the floor and made a mess of the room; 机の上を散らかさないよう、使った物はすぐに戻してください。 asks that used items be put away immediately so the desk does not become cluttered.

2. Common pitfalls and similar expressions

• 部屋を散らかした
  • を marks the room as the object that someone made messy in this transitive construction.
• 散らかさないよう
  • よう presents avoiding clutter as the purpose of putting things back immediately.
• 散らかす and 散らかる
  • 散らかす is transitive and means making a place messy, while 散らかる is intransitive and describes the place becoming or being cluttered.