5
academic(noun, adjective, rational, intelligent, serious)
5
bookish(adjective, rational, intelligent, thoughtful, serious)
5
deep(adjective, obscure, smart, bright, rational)
5
longhair(noun, adjective, intellectual, brain, learned)
5
mastermind(noun, intellect, intellectual, sage)
5
reasonable(adjective, smart, bright, enlightened, brainy)
5
thoughtful(adjective, rational, intelligent, knowledgeable, thoughts)
4
educated(adjective, polite, sophisticated, refined, knowledgeable)
4
intellect(noun, sage)
4
literate(adjective, polite, sophisticated, refined, knowledgeable)
4
nerd(noun, person)
4
overachiever(noun, smart, intelligent, clever, gifted)
4
wise(adjective, smart, bright, serious, intellectual)
3
elitist(noun, adjective, serious, exclusive, cultured)
3
professor(noun, brain)
2
acute(adjective, smart, bright, brainy)
2
aesthete
2
aesthetic
2
bookworm(noun, intellectual, brain)
2
brilliant(smart, bright, brainy)
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APASmart Define. (2015). highbrow thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/highbrow/thesaurus/synonyms
ChicagoSmart Define. 2015. "highbrow thesaurus" https://smartdefine.org/highbrow/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, highbrow thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/highbrow/thesaurus/synonyms>.
MLASmart Define. "highbrow thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/highbrow/thesaurus/synonyms>