— irresponsibility, irresponsibleness , n. — irresponsibly , adv.
/ir'i spon"seuh beuhl/ , adj.
1. said, done, or characterized by a lack of a sense of responsibility: His refusal to work shows him to be completely irresponsible.
2. not capable of or qualified for responsibility, as due to age, circumstances, or a mental deficiency.
3. not responsible, answerable, or accountable to higher authority: irresponsible as a monarch.
n.
4. an irresponsible person.
[ 1640-50; IR- 2 + RESPONSIBLE ]
Syn. 1. unreliable, undependable, thoughtless.