- Word Explorer, Word Parts
|part of speech:
||not having or showing responsibility; not able to be counted on or trusted.
He was irresponsible about feeding and walking the dog.It was irresponsible to hit the ball so close to the window.
- negligent, unreliable
- similar words:
- careless, erratic, foolish, unstable
||irresponsibly (adv.), irresponsibility (n.)