| brash(adjective, quick, thoughtless, impetuous, sudden) | |
| brusque(adjective, irritable, tetchy, sudden, snippy) | |
| chop-chop(adverb, hot, quick, speedy, quickly) | |
| crow(noun, bird) | |
| darting(adjective, hasty) | |
| deft(adjective, sharp, energetic, lively, alert) | |
| dissolute(adjective, restraint, indulgent) | |
| eagle(noun, bird) | |
| electric(hot, quick, velocity, rapid, speedy) | |
| ephemeral | |
| evanescent | |
| expeditive(hot, fast, quick, showy, speedy) | |
| flat-out(quickly, rapidly, speedily) | |
| full tilt(expression, adverb, quickly, rapidly, swiftly) | |
| hastily(adverb, quickly, rapidly, speedily) | |
| hurrying(adjective, fast) | |
| immediately(adverb, quickly, rapidly, speedily) | |
| impermanent | |
| in nothing flat(expression, adjective, hot, fast, quick) | |
| light of heel(expression, idiom, velocity) |
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| APA | Smart Define. (2016). swift thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/swift/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "swift thesaurus" https://smartdefine.org/swift/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, swift thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/swift/thesaurus/synonyms>. |
| MLA | Smart Define. "swift thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/swift/thesaurus/synonyms> |