64 entries under sharp topic. ×

6
recondite(adjective, obscure, exact, deep)
5
critical(exact, fast, sensitive, precise)
5
hairline(adjective, quiet, slight, gentle)
5
hairsplitting(adjective, quiet, slight, fine)
5
intelligent(adjective, reasonable, sensible, shrewd)
5
perceptive(adjective, clear, sound, reasonable)
5
perspicacious(smart, sensitive, behaviour, clever)
5
quick(adjective, smart, exact, cunning)
4
brilliant(adjective, sensitive, piercing, astute)
4
discerning(adjective, clear, sound, reasonable)
4
fastidious(exact, superior, precise, sophisticated)
4
quick-witted(adjective, smart, shrewd, clever)
4
sagacious(adjective, smart, sensitive, deep)
4
shifty(mean, smooth, false, cunning)
3
cagey(mean, smooth, smart, clever)
2
bright(sensitive, original, shrewd, piercing)
2
clear-sighted(sensitive, piercing, astute, discriminating)
2
cryptic(adjective, exact, discriminating)
2
enigmatic(adjective, hard, obscure, exact)
2
knowledgeable(sensitive, deep, thoughtful, piercing)
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APASmart Define. (2016). subtle thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/subtle/thesaurus/synonyms
ChicagoSmart Define. 2016. "subtle thesaurus" https://smartdefine.org/subtle/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, subtle thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/subtle/thesaurus/synonyms>.
MLASmart Define. "subtle thesaurus" 3 February 2016. Web. 21 September 2026. <https://smartdefine.org/subtle/thesaurus/synonyms>