impulsive vs incautious

impulsive and incautious both are adjectives.

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

impulsive (adjective)	incautious (adjective)
determined by chance or impulse or whim rather than by necessity or reason	lacking in caution
having the power of driving or impelling	carelessly failing to exercise proper caution
characterized by undue haste and lack of thought or deliberation
proceeding from natural feeling or impulse without external stimulus
without forethought