0
groundspeed
0
handiness(noun, enthusiasm, eagerness, preparation, keenness)
0
hasted
0
hasten
0
hastily
0
hasting
0
headway(speed, rate)
0
hilarity(noun, enthusiasm, eagerness, readiness)
0
hotfoot
0
hotfooted
0
hotfooting
0
hurried
0
hurrying
0
hurryingly
0
immediate
0
immediate execution(expression, speed)
0
immediately
0
impermanence
0
impetuously
0
impetuousness
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APASmart Define. (2015). rapidity thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/rapidity/thesaurus/synonyms
ChicagoSmart Define. 2015. "rapidity thesaurus" https://smartdefine.org/rapidity/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, rapidity thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/rapidity/thesaurus/synonyms>.
MLASmart Define. "rapidity thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/rapidity/thesaurus/synonyms>