noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   The quality of being impulsive. uncountable, usually
2. 2
   the trait of acting suddenly on impulse without reflection wordnet

Synonyms

All synonyms

abandonabruptnessalacritycapriciousnessdesultorinessdeviability

Example

More examples

"In a moment of impulsiveness, Rodrigo decided to squeeze the bothersome pimple on his forehead."

Etymology

From impulsive + -ness.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.