68 entries under fast topic. ×

14
keen(adjective, cool, pleasant, severe, sharp)
13
busy(adjective, active, energetic, keen, intense)
12
expeditious(adjective, prompt, hot, quick)
12
prompt(adjective, sharp, lively, quick)
10
abrupt(adjective, severe, rough, rude)
9
instantaneous(adjective, precise, responsive, early)
8
bustling(adjective, moving, keen, sharp, bright)
8
hurried(adjective, hot, quick, speedy)
8
immediate(adjective, prompt, precise, quick)
8
nippy(adjective, cool, severe, keen, sharp)
8
sudden(adjective, quick, rapid, speedy)
6
breakneck(adjective, prompt, hot, quick)
6
brief(adjective, rough, rude, quick)
6
flying(adjective, hot, quick, speedy)
6
summary(adjective, prompt, rude, quick)
5
impetuous(adjective, cheerful, jolly, quick)
4
accelerated(adjective, hot, quick, speedy)
4
precipitate(adjective, prompt, quick, hasty)
4
ready(adjective, sharp, energetic, lively, hot)
3
alacritous(adjective, prompt, quick)
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APASmart Define. (2016). brisk thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/brisk/thesaurus/synonyms
ChicagoSmart Define. 2016. "brisk thesaurus" https://smartdefine.org/brisk/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, brisk thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/brisk/thesaurus/synonyms>.
MLASmart Define. "brisk thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/brisk/thesaurus/synonyms>