noun
impetuosity
im-pech-oo-AH-suh-tee/ɪmˌpetʃuˈɑːsəti/
Forceful action taken suddenly without restraint.
The woman's impetuosity sends her lunging after her hat without checking for cyclists.

Etymology
The underlying adjective meant “impetuous” or “violent,” and the noun first described violent movement or rushing. Applied to behavior, that rush becomes action taken before careful thought.
In context
impetuosity and recklessness and not caring about the consequences would demonetization be one of them would declaring a nationwide lockdown at four hours notice be another
More examples
- In a burst of impetuosity, he sends the angry email.
- She embraces him with an impetuosity that nearly knocks him over.
- Her impetuosity often clashes with her partner's careful planning.
Forms
impetuosity
impetuous adjective — Acting suddenly without considering the consequences.
impetuously adverb — In a sudden, forceful, unrestrained way.
Similar words
- impulsiveness
- Emphasizes acting on immediate urges rather than forceful intensity.
- recklessness
- Emphasizes disregard for danger, whether sudden or planned.
- rashness
- Emphasizes poor judgment caused by acting too quickly.