capricious vs whimsical

capricious and whimsical both are adjectives.

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

As adjectives, capricious and whimsical are synonyms defined as:

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

Other synonyms of capricious include impulsive.

capricious (adjective)	whimsical (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