- Definitions|2
- Thesaurus|462
- Abbreviations|0
| expeditious | |
| expeditiously | |
| explicitly | |
| expressly | |
| extreme speed(noun, expression, drive, press, rush) | |
| fastly | |
| ferociously | |
| fervor(noun, enthusiasm, eagerness, readiness) | |
| fiercely | |
| fitness(noun, enthusiasm, eagerness, preparation, keenness) | |
| fleeted | |
| fleeter | |
| fleetest | |
| fleetingly | |
| fluency(noun, enthusiasm, eagerness, preparation, keenness) | |
| fugacity | |
| gaiety(noun, enthusiasm, eagerness, readiness) | |
| gameness(noun, enthusiasm, eagerness, willingness) | |
| good will(noun, expression, enthusiasm, eagerness, preparation) | |
| goodwill(hurry, dispatch) |
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| APA | Smart Define. (2015). rapidity thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/rapidity/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rapidity thesaurus" https://smartdefine.org/rapidity/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, rapidity thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/rapidity/thesaurus/synonyms>. |
| MLA | Smart Define. "rapidity thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/rapidity/thesaurus/synonyms> |