145 entries under fast topic. ×
| rash(noun, adjective, passionate, violent) | |
| instant(adjective, prompt, irritable, responsive) | |
| summary(adjective, prompt, casual, hasty) | |
| perfunctory(adjective, casual, speedy, hasty) | |
| winged(adjective, sharp, informal, lively, hot) | |
| galloping(adjective, velocity, hasty, urgent) | |
| posthaste(adjective, adverb, hot, speedy) | |
| unexpected(adjective, passionate, violent, abrupt) | |
| vivacious(adjective, sharp, bright, energetic, lively) | |
| apace(adverb, quickly, rapidly, speedily) | |
| dashing(adjective, cool, keen, express, intense) | |
| mercurial(adjective, sharp, lively, restless) | |
| precipitous(adjective, unusual, rash, abrupt) | |
| pronto(adjective, adverb, informal, hot) | |
| zippy(adjective, sharp, energetic, lively, active) | |
| accelerated(adjective, direct, express, prompt, hot) | |
| alacritous(adjective, prompt, lively, flexible) | |
| curt(adjective, irritable, rapid, speedy) | |
| unanticipated(adjective, violent, immediate, unexpected) | |
| unforeseen(adjective, violent, abrupt, hasty) |
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| APA | Smart Define. (2016). quick thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/quick/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, quick thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/quick/thesaurus/synonyms>. |
| MLA | Smart Define. "quick thesaurus" 1 April 2016. Web. 21 September 2026. <https://smartdefine.org/quick/thesaurus/synonyms> |