negligent Synonyms

indifferent remiss regardless heedless neglectful inattentive thoughtless slothful slovenly supine thriftless umbilicated unaware unconcerned perfunctory sloppy pococurante rash reckless slipshod shiftless shoddy slack slapdash slatternly unconsidered unthinking unthrifty unmotivated off guard unknowing undiscriminating unheedful unheeding unobliging unreflective unthoughtful unvigilant unmindful devil-may-care unchivalrous unwary uninformed careles unobservant unprofessional absentminded unalert good-for-nothing slacker