11
rash(noun, adjective, passionate, violent, fast)
10
core(noun, place, cause, start, spirit)
10
fleeting(adjective, time, hot, speedy, superficial)
10
ingenious(adjective, smart, bright, intelligent, cunning)
10
instant(adjective, prompt, fast, irritable, responsive)
10
passing(adjective, casual, hasty, superficial, hurried)
10
sensitive(adjective, characteristic, understanding, keen, sharp)
10
skillful(adjective, light, cool, smooth, smart)
10
slick(adjective, light, cool, smooth, sharp)
10
summary(adjective, prompt, fast, casual, hasty)
10
wise(adjective, understanding, cool, keen, sharp)
9
brainy(adjective, understanding, cool, smooth, keen)
9
brilliant(adjective, good, cool, sharp, smart)
9
heart(noun, place, part, body, cause)
9
hot(adjective, expert, skilled, capable, adroit)
9
penetrating(adjective, understanding, sharp, smart, bright)
9
perfunctory(adjective, fast, casual, speedy, hasty)
9
promptly(adverb, early, directly, immediately, quickly)
9
root(noun, place, body, cause, start)
9
winged(adjective, sharp, informal, lively, hot)
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APASmart Define. (2016). quick thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/quick/thesaurus/synonyms
ChicagoSmart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, quick thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/quick/thesaurus/synonyms>.
MLASmart Define. "quick thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/quick/thesaurus/synonyms>