irresponsible

adjectives

showing lack of care for consequences

"behaved like an irresponsible idiot"; "hasty and irresponsible action"

irresponsible

is derived from

is derived from

antonym

is similar to

cheerfully irresponsible

"carefree with his money"; "freewheeling urban youths"; "had a harum-scarum youth"

is similar to

characterized by inability or unwillingness to work toward a goal or assume responsibility

"a do-nothing government"

is similar to

not fit to assume responsibility

is similar to

lacking a sense of restraint or responsibility

"idle talk"; "a loose tongue"

is similar to

irresponsible in the use of firearms

is similar to

free from control or responsibility

is similar to

lacking a sense of responsibility

is an attribute of

a form of trustworthiness; the trait of being answerable to someone for something or being responsible for one's conduct

"he holds a position of great responsibility"