impulsive vs impetuous

impulsive and impetuous both are adjectives.

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

As adjectives, impulsive and impetuous are synonyms defined as:

impulsive and impetuous: characterized by undue haste and lack of thought or deliberation

Other synonyms of impulsive include brainish, hotheaded, madcap, tearaway.

impulsive (adjective)	impetuous (adjective)
determined by chance or impulse or whim rather than by necessity or reason	marked by violent force
having the power of driving or impelling	characterized by undue haste and lack of thought or deliberation
characterized by undue haste and lack of thought or deliberation
proceeding from natural feeling or impulse without external stimulus
without forethought