intelligent vs brainy

intelligent and brainy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
intelligent	No	Yes	No	No
brainy	No	Yes	No	No

intelligent (adjective)	brainy (adjective)
having the capacity for thought and reason especially to a high degree	having or marked by unusual and impressive intelligence
endowed with the capacity to reason
exercising or showing good judgment
possessing sound knowledge