怠おこたり

noun

negligence; carelessness; failure to do one's duty

Refers to a failure to perform a required action or duty, often with a nuance of oversight or neglect. Commonly used in formal or serious contexts.

• 報ほう告こくの怠おこたりが大おおきな問もん題だいになった。

  The negligence in reporting became a major problem.

• 安あん全ぜん確かく認にんの怠おこたりは許ゆるされない。

  Negligence in safety checks is unforgivable.