- Definitions|1
- Thesaurus|358
- Abbreviations|0
| nimbly | |
| on short notice(expression, idiom, soon, swiftly, proximately) | |
| on spur of the moment | |
| on the dot(expression, idiom, immediately, quickly, soon) | |
| post | |
| precipitately | |
| precipitously | |
| prematurely | |
| prompt(adjective, fast, quick, rapid, speedy) | |
| racing(hot, quick, rapid, nimble, speedy) | |
| rashly | |
| readily | |
| ready(hot, quick, rapid, nimble, speedy) | |
| recklessly | |
| snap(hot, quick, rapid, nimble, speedy) | |
| snappy(hot, fast, quick, nimble, speedy) | |
| speedball(hot, quick, rapid, nimble, speedy) | |
| spirited(fast, rapid, swift) | |
| sprightly(fast, rapid, swift) | |
| spry(fast, rapid, swift) |
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| APA | Smart Define. (2015). posthaste thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/posthaste/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "posthaste thesaurus" https://smartdefine.org/posthaste/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, posthaste thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/posthaste/thesaurus/synonyms>. |
| MLA | Smart Define. "posthaste thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/posthaste/thesaurus/synonyms> |