mighty vs powerful

mighty and powerful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
mighty	No	Yes	No	Yes
powerful	No	Yes	No	Yes

As adverbs, mighty and powerful are synonyms defined as:

mighty and powerful: (Southern regional intensive) very; to a great degree

Other synonyms of mighty include mightily, right.

mighty (adjective)	powerful (adjective)
having or showing great strength or force or intensity	having great power or force or potency or effect
	having great influence
	displaying superhuman strength or power
	(of a person) possessing physical strength and weight; rugged and powerful
	strong enough to knock down or overwhelm

mighty (adverb)	powerful (adverb)
(Southern regional intensive) very; to a great degree	(Southern regional intensive) very; to a great degree