そそっかしい

i-adjective

careless; thoughtless; hasty; rash

Describes a person or action that is impulsive, inattentive, or prone to making small mistakes due to lack of care.

• 彼かれはそそっかしいから、よく鍵かぎを忘わすれる。

  He is careless, so he often forgets his keys.

• そそっかしい