64 entries under tough topic. ×

60
clever(adjective, characteristic, sound, smooth)
6
apt(adjective, smooth, smart, bright)
6
experienced(adjective, sound, smooth, keen)
6
rational(adjective, hard, sound, reasonable)
5
adept(adjective, smart, bright, energetic)
5
deft(adjective, bright, cunning, effective)
4
competent(adjective, smart, bright, energetic)
4
expert(adjective, smart, bright, significant)
4
masterly(adjective, cunning, effective, treacherous)
4
realistic(adjective, hard, sound, reasonable)
3
able(smart, bright, skill, clever)
3
powerful(effective, adept, effectual, well-organized)
3
qualified(adjective, smart, bright, significant)
3
skilled(adjective, smart, bright, deep)
2
capable(adjective, smart, bright, intelligent)
2
ready(smart, bright, energetic, effective)
2
talented(adjective, smart, bright, skill)
1
accomplished(adjective, knowledge, effective, adept)
1
hard(sound, reasonable, sharp, sensible)
1
hard-boiled(hard, sound, reasonable, sharp)
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APASmart Define. (2016). shrewd thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/shrewd/thesaurus/synonyms
ChicagoSmart Define. 2016. "shrewd thesaurus" https://smartdefine.org/shrewd/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, shrewd thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/shrewd/thesaurus/synonyms>.
MLASmart Define. "shrewd thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/shrewd/thesaurus/synonyms>