capricious vs impulsive

capricious and impulsive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
capricious	No	Yes	No	No
impulsive	No	Yes	No	No

As adjectives, capricious and impulsive are synonyms defined as:

capricious and impulsive: determined by chance or impulse or whim rather than by necessity or reason

Other synonyms of capricious include whimsical.

capricious (adjective)	impulsive (adjective)
determined by chance or impulse or whim rather than by necessity or reason	determined by chance or impulse or whim rather than by necessity or reason
changeable	having the power of driving or impelling
	characterized by undue haste and lack of thought or deliberation
	proceeding from natural feeling or impulse without external stimulus
	without forethought