dereliction

Definitions

The state of having been abandoned and become dilapidated.

The shameful failure to fulfill one's obligations or duties.

Examples

The officer was dismissed from his post due to a serious dereliction of duty.

The dereliction of the historic building left it vulnerable to decay and vandalism.

His dereliction of responsibility caused the entire project to fall behind schedule.

Synonyms

neglect abandonment negligence desertion delinquency omission laxity

Antonyms

observance fulfillment diligence care attention performance adherence