- Definitions|2
- Thesaurus|788
- Abbreviations|0
| nimble-footed | |
| overeager | |
| overenthusiastic | |
| overzealous | |
| panting | |
| perfunctory(fast, quick, rapid, speedy, swift) | |
| precarious | |
| punctual | |
| quick as lightning(expression, idiom) | |
| quick as thought(expression, idiom) | |
| quickened(fast, quick, speedy, brisk, hasty) | |
| racing(hot, quick, rapid, nimble, speedy) | |
| rattling(adjective, urgent) | |
| refractory(violent, fast, quick) | |
| short(adjective, quick, summary, rapid, speedy) | |
| slap-bang | |
| snap(hot, quick, rapid, nimble, speedy) | |
| spanking | |
| splitting(adjective, urgent) | |
| spry(fast, quick, rapid, brisk, hasty) |
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| APA | Smart Define. (2016). breakneck thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/breakneck/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "breakneck thesaurus" https://smartdefine.org/breakneck/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, breakneck thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/breakneck/thesaurus/synonyms>. |
| MLA | Smart Define. "breakneck thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/breakneck/thesaurus/synonyms> |