arbitrary vs impulsive

arbitrary and impulsive both are adjectives.

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

arbitrary (adjective)	impulsive (adjective)
based on or subject to individual discretion or preference or sometimes impulse or caprice	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