Unresponsible vs. Irresponsible: What's the Difference?

Irresponsible

Marked by a lack of responsibility

Irresponsible.

Lacking a sense of responsibility; unreliable or untrustworthy.

Not liable to be called to account by a higher authority.

One who has no sense of responsibility.

One who is unlikely to be called to account by a higher authority.

Not responsible; exempt from legal responsibility, not to be held accountable.

Lacking a sense of responsibility; performed or acting as though without responsibility; negligent.

Someone who is not responsible.

Not responsible; not liable or able to answer for consequences; innocent.

Not to be trusted; unreliable; lacking a proper sense of responsibility.

Showing lack of care for consequences;