adj. careless, reckless, devil-may-care, unanswerable, unaccountable, non-liable, rash, unruly, wild; unreliable, undependable, untrustworthy, weak, feckless, ineffectual Cyril is too irresponsible to take care of the children by himself
IRRESPONSIBLE
Meaning of IRRESPONSIBLE in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012