irresponsible
Concise Oxford English Dictionary © 2008 Oxford University Press:
irresponsible/ɪrɪˈspɒnsəbl/
▶adjective not showing a proper sense of responsibility.
– derivatives
irresponsibility noun,
irresponsibly adverb.
irresponsibility noun,
irresponsibly adverb.
'irresponsible' also found in these Oxford entries:
