Synonyms: irresponsible
Definition: showing lack of care for consequences
Usage: behaved like an irresponsible idiot; hasty and irresponsible action
Similar words: devil-may-care, slaphappy, happy-go-lucky, harum-scarum, carefree, freewheeling
Definition: cheerfully irresponsible
Usage: carefree with his money; freewheeling urban youths; had a harum-scarum youth
Similar words: do-nothing
Definition: characterized by inability or unwillingness to work toward a goal or assume responsibility
Usage: a do-nothing government
Similar words: feckless
Definition: not fit to assume responsibility
Definition: lacking a sense of restraint or responsibility
Usage: idle talk; a loose tongue
Similar words: trigger-happy
Definition: irresponsible in the use of firearms
Similar words: unaccountable
Definition: free from control or responsibility
Similar words: unreliable
Definition: lacking a sense of responsibility