adjective
proceeding from natural feeling or impulse without external stimulus
Synonyms
Examples
- an impulsive gesture of affection
adjective
without forethought
Examples
- letting him borrow her car was an impulsive act that she immediately regretted
adjective
having the power of driving or impelling
Synonyms
Examples
- a driving personal ambition
- the driving force was his innate enthusiasm
- an impulsive force
adjective
determined by chance or impulse or whim rather than by necessity or reason
Synonyms
Examples
- a capricious refusal
- authoritarian rulers are frequently capricious
- the victim of whimsical persecutions
adjective
characterized by undue haste and lack of thought or deliberation
Synonyms
Examples
- a hotheaded decision
- liable to such impulsive acts as hugging strangers
- an impetuous display of spending and gambling
- madcap escapades
- (`brainish' is archaic)