77 entries under speedy topic. ×
| agile(adjective, prompt, energetic, quick) | |
| high-speed(adjective, direct, express, prompt, quick) | |
| posthaste(adjective, adverb, early, quickly) | |
| lively(adjective, keen, prompt, energetic, active) | |
| abrupt(adjective, direct, violent, quick) | |
| energetic(adjective, keen, active, rapid) | |
| winged(adjective, quick, rapid, brisk) | |
| keen(adjective, smart, bright, energetic, active) | |
| mercurial(quick, rapid, brisk, hasty) | |
| on the double(expression, idiom, adverb, brisk) | |
| racing(adjective, quick, rapid) | |
| reckless(adjective, violent, careless, wild, quick) | |
| cursory(adjective, casual, quick, hasty) | |
| electric(adjective, quick, rapid) | |
| impatient(adjective, violent, irritable, quick) | |
| rushed(adjective, quick, swift, quickly) | |
| brash(adjective, quick, sudden, hurried) | |
| flashing(adjective, quick, rapid, sudden) | |
| impetuous(adjective, violent, quick, abrupt) | |
| like greased lightning(expression, idiom, adverb, brisk) |
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| APA | Smart Define. (2016). fast thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fast/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fast thesaurus" https://smartdefine.org/fast/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, fast thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fast/thesaurus/synonyms>. |
| MLA | Smart Define. "fast thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/fast/thesaurus/synonyms> |