remiss

modif.

remiss implies the culpable omission or the careless or indifferent performance of a task or duty remiss in one's obligations; negligent and neglectful both imply failure to attend to something sufficiently or properly, but negligent often stresses inattentiveness or carelessness as a habit or trait negligent in dress, and neglectful carries an implication of intentional and culpable disregard a mayor neglectful of pledges made to the voters; derelict implies flagrant neglect of a duty or obligation; lax implies looseness in satisfying or enforcing requirements, observing standards or rules, etc. lax discipline; slack, in this connection, implies lack of necessary diligence, efficiency, etc. as because of laziness or indifference slack service in a restaurant