Synonyms|1.2kAntonyms|263|Broader|10Narrower|16Related|673
4
scholastic(adjective, knowledge)
4
special(adjective, intimate, secret, private, penetrating)
4
subterranean(adjective, depth, bottomless)
4
trusted(adjective, intimate, secret, private, penetrating)
4
unsounded
4
uptight(adjective, intimate, secret, private, penetrating)
4
viscerous(adjective, intimate, secret, private, penetrating)
4
wakeless
3
bitter(adjective, strong, intense, powerful, penetrating)
3
brainy(adjective, sharp, smart, bright, intelligent)
3
buried(adjective, depth, bottomless)
3
cabbalistic
3
capable(adjective, smart, bright, intelligent, brainy)
3
clever(adjective, keen, sharp, smart, bright)
3
cryptic
3
dead
3
deep-rooted(adjective, essential, basic, fundamental)
3
fervid(adjective, strong, intense, passionate, powerful)
3
flagrant
3
gargantuan
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ChicagoSmart Define. 2016. "profound thesaurus" https://smartdefine.org/profound/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, profound thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/profound/thesaurus/synonyms>.
MLASmart Define. "profound thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/profound/thesaurus/synonyms>