Unresponsible vs. Irresponsible
Difference Between Unresponsible and Irresponsible
Lacking a sense of responsibility; incapable of or not chargeable with responsibility; unable to respond to obligation; negligent.
Not responsible; not subject to responsibility; not to be held accountable, or called into question.
Someone who is not responsible.
showing lack of care for consequences;behaved like an irresponsible idiothasty and irresponsible action