| like greased lightning(expression, adverb, fast, speedy, brisk) | |
| momentary | |
| nimble-footed | |
| nippy(adjective, fast, quick, rapid, urgent) | |
| overnight | |
| parakeet(noun, bird) | |
| precipitant(violent, fast, fierce, quick, ardent) | |
| quick as lightning(expression, idiom, velocity) | |
| quickie(noun, quick, speedy, hurried) | |
| sharp-witted | |
| short and sweet(expression, idiom, rapid, instant) | |
| speedball(adjective, hot, fast, quick, showy) | |
| spirited(sharp, lively, fast, sprightly, supple) | |
| spontaneous(adjective, thoughtless, impulsive, rash, unthinking) | |
| startling | |
| superficial(casual, quick, speedy, hasty, hurried) | |
| temporary | |
| transient | |
| transitory | |
| velocious(adjective, direct, express, hot, fast) |
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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> |