6
fly(adjective, characteristic, great, sharp, informal)
6
foxy(adjective, mean, smooth, keen, sharp)
6
intellectual(adjective, bright, rational, intelligent, brainy)
6
jocular(adjective, wit, witty)
6
judicious(adjective, cool, sound, smooth, keen)
6
magnificent(adjective, cool, great, pleasant, excellent)
6
on the ball(expression, adjective, idiom, smooth, keen)
6
outstanding(adjective, cool, great, excellent, superb)
6
pinch(noun, verb, trouble, damage, harm)
6
precocious(adjective, sharp, sensible, alert, intelligent)
6
remarkable(adjective, great, excellent, superb, super)
6
sapient(adjective, sound, smooth, sharp, bright)
6
smart-alecky(adjective, attitude, informal, rude, lively)
6
spirited(adjective, bright, energetic, lively, active)
6
subtle(adjective, mean, cool, great, smooth)
6
suffering(noun, pain, physical pain)
6
tony(adjective, style, sharp, informal, new)
6
torment(noun, verb, upset, trouble, disturb)
6
trenchant(adjective, feeling, penetrating, searching, analytical)
6
tricky(adjective, person, sharp, behavior, intelligent)
10 years ago|66k views|share |citing 
APASmart Define. (2016). smart thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/smart/thesaurus/synonyms
ChicagoSmart Define. 2016. "smart thesaurus" https://smartdefine.org/smart/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, smart thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/smart/thesaurus/synonyms>.
MLASmart Define. "smart thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/smart/thesaurus/synonyms>