People who act on a sudden idea without considering the results of their actions.
This adjective has a negative connotation.
I used to be impetuous but I've learned to think carefully about decisions and their consequences.
by Vik_Vik January 9, 2011
Mike Tysons Style.
"My style is impetuous, my defence is Impregnable." - Mike Tyson
by higuystys October 16, 2019
Impetuous people don’t think before they talk and hurt peoples feelings.
by Fernando Bosque July 3, 2008
something that encourages a particular activity or makes that activity more energetic or effective:
The recent publicity surrounding homelessness has given (a) fresh impetus to the cause.
by Hello2014 November 6, 2014
The driving force behind something. The force that makes something happen.
Hym " Someone else

/ \

/ \

You ----------> Me
Behold! The Triangle of Conceptual Impetus. I act upon someone else. You use the act as the impetus to act upon me. To you, I'm 'someone else.' does you acting upon someone else (Me) give me the right to use that act as the impetus to, then, act on someone else? If no, how are you justified in using my action as the impetus to act upon me? If yes, how am I not justified in using your act as the impetus to act on someone else? And what is the initial impetus that cause me to act in the first place? Just a few things to consider..."
by Hym Iam June 4, 2022