Adjective: irresponsible ,i-ri'spón-su-bul
- Showing lack of care for consequences
"behaved like an irresponsible idiot"; "hasty and irresponsible action"
See also: carefree, devil-may-care, do-nothing [informal], feckless, freewheeling, happy-go-lucky, harum-scarum, idle, loose, responsibility, responsibleness, slaphappy [informal], trigger-happy, unaccountable, unreliable
Antonym: responsible
Encyclopedia: Irresponsible