adjective
irresponsible, defaulting
Synonyms: behind, blamable, blameworthy, careless, censurable, criminal, culpable, defaultant, derelict, disregardful, faulty, guilty, lax, neglectful, negligent, offending, overdue, procrastinating, red-handed, remiss, reprehensible, shabby, slack, tardy, unpaid
Antonyms: behaving, careful, responsible
noun
criminal, often young
Synonyms: behind, blackguard, black sheep, culprit, dawdler, deadbeat, deadhead, debtor, defaulter, derelict, desperado, evader, fallen angel, felon, hoodlum, jailbird, JD, juvenile delinquent, juvie, lawbreaker, loafer, lounger, malefactor, miscreant, neglecter, no show, offender, outlaw, punk, recreant, reprobate, sinner, wrongdoer, young offender