incautious vs impulsive

incautious and impulsive both are adjectives.

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

incautious (adjective)	impulsive (adjective)
lacking in caution	determined by chance or impulse or whim rather than by necessity or reason
carelessly failing to exercise proper caution	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