impulsive vs whimsical

impulsive and whimsical both are adjectives.

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

As adjectives, impulsive and whimsical are synonyms defined as:

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

Other synonyms of impulsive include capricious.

impulsive (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
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