irresponsible

adjective

Marked by a lack of responsibility.

adjective

Lacking a sense of responsibility; unreliable or untrustworthy.

adjective

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

noun

One who has no sense of responsibility.

noun

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

Not responsible; not subject to responsibility; not to be held accountable, or called into question: as, an irresponsible government; the irresponsible control of wealth.

Not capable of or chargeable with responsibility; unable to respond to obligation, as an insolvent debtor; not subject to or incurring legal responsibility, as an infant or idiot for his acts; not of a responsible nature or character.

adjective

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

adjective

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

adjective

Lacking a sense of responsibility; incapable of or not chargeable with responsibility; unable to respond to obligation.