881 entries under adjective topic. ×

10
inscrutable
10
insidious(smooth, sharp, cunning, tricky)
10
sincere(great, warm, energetic, enthusiastic)
10
subtle(quiet, delicate, complex, cunning)
10
thick(rough, large, fat, dense)
10
wise(characteristic, good, reasonable, keen)
9
abysmal(down, surface, extent, far)
9
cryptic(hard, evil, obscure, humble)
9
hidden(hard, evil, obscure, complex)
9
impenetrable(set, obscure, solid, heavy)
9
incomprehensible
9
intimate(property, secret, private, personal)
9
knowing(sharp, smart, bright, intelligent)
9
learned(thoughtful, meaning, moral, knowledgeable)
9
sharp(strong, light, keen, smart)
9
wide(hard, down, thick, huge)
8
bottomless(down, deep, far)
8
broad(hard, down, thick, huge)
8
canny(smooth, sharp, bright, intelligent)
8
crafty(sharp, intelligent, cunning, clever)
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APASmart Define. (2016). deep thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/deep/thesaurus/synonyms
ChicagoSmart Define. 2016. "deep thesaurus" https://smartdefine.org/deep/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, deep thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/deep/thesaurus/synonyms>.
MLASmart Define. "deep thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/deep/thesaurus/synonyms>