無む分ふん別べつ

na-adjective, noun

thoughtlessness; indiscretion; lack of judgment

Describes acting without careful thought or good sense; often used for rash or imprudent behavior.

• 彼かれの無む分ふん別べつな発はつ言げんが問もん題だいを大おおきくした。

  His thoughtless remark made the problem worse.

• 若わかいころは無む分ふん別べつな行こう動どうが多おおかった。

  When I was young, I often acted without thinking.