say it: ir-uh-SPAHN-suh-buhl
irresponsible is an adjective meaning "showing lack of care for consequences". It carries one recorded sense.
showing lack of care for consequences
“behaved like an irresponsible idiot”
“hasty and irresponsible action”
Definitions, synonyms and semantic relations for irresponsible come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.