34 Moby Thesaurus words for "bad habit": automatism, besetting sin, characteristic, creature of habit, custom, failing, failure, fault, flaw, foible, force of habit, frailty, habit, habit pattern, habitude, imperfection, infirmity, moral flaw, pattern, peculiarity, practice, praxis, second nature, stereotype, stereotyped behavior, trick, usage, use, vice, way, weak point, weak side, weakness, wont