Sisyphean labor, culpa, culpable negligence, default, delinquency, dereliction, disconformity, disregard, endless task, failure, inadvertence, inadvertency, inattention, inexecution, inobservance, laches, laissez-faire, lapse, laxity, laxness, loose ends, looseness, neglect, neglectfulness, negligence, nonaccomplishment, nonachievement, nonadherence, noncompliance, nonconformance, nonconformity, nonconsummation, nondischarging, nonexecution, nonfeasance, nonfulfillment, noninterference, nonobservance, nonrestriction, omission, overlooking, oversight, permissiveness, poor stewardship, procrastination, remissness, rough edges, slackness, slight, unfulfillment, unobservance, unrigorousness, work of Penelope