laxity; negligence
Describes a state of being careless, slack, or neglectful in duty or attitude. Often used in formal or critical contexts.
His lax work attitude became a problem.
There must be no negligence in safety management.
Compound of 緩 (slack, loose) and 怠 (neglect, laziness). The exact historical derivation is uncertain, but the meaning follows directly from the kanji components.