1. Showing lack of care for consequences
   "behaved like an irresponsible idiot"; "hasty and irresponsible action"

See also: carefree, devil-may-care, do-nothing, feckless, freewheeling, happy-go-lucky, harum-scarum, idle, irresponsibleness, irresponsibly, loose, responsibility, responsibleness, slaphappy, trigger-happy, unaccountable, unreliable

Antonym: responsible

• anthropocentric
• anthropocentricity
• anthropocentrism
• anthropogenesis
• anthropogenetic
• anthropogenic
• anthropogeny
• anthropoid
• anthropoid ape
• anthropoidal
• Anthropoidea
• anthropolatry
• anthropological
• anthropologically
• anthropologist
• anthropology
• anthropology department
• anthropometric
• anthropometrical
• anthropometry
• anthropomorphic
• anthropomorphise
• anthropomorphism
• anthropomorphite
• anthropomorphize