[adjective] acting with undue haste and lack of thinking or deliberation;
Peter’s passionate nature makes him impetuous. He speaks before he thinks, and what’s worse, he acts before he thinks.
Sally wasn’t an impetuous person. She never did anything on impulse.
He was filled with physical energy and tended to be impetuous in his actions, not stopping to think until it was too late.
I think I was being a bit impetuous when I told you I wasn’t interested in the job because now I think it might be a good idea.
Don’t make an impetuous decision. Take your time and think about it.
Your impetuous remarks about us seem to have rung down the curtain on our good relationship.
He had great courage, but was inclined to be impetuous.
My father always told me not to be impetuous when I do my homework.
I was too impetuous in concluding that he was lying.