35 entries under adjective topic. ×

27
fast(adverb, quickly, pronto)
13
lickety-split(adverb, fast)
8
immediately(adverb, fast, directly, quickly)
8
posthaste(adverb, fast, quick, early)
7
double-quick(adverb, quick, hastily, impulsively)
7
presto(adverb, quickly, speedily)
2
brisk
2
expeditious
2
hasty
2
nimble
1
abrupt
1
abundant
1
copious
1
early
1
great
1
high-speed
1
lively
1
speedy
1
sudden
1
tall
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APASmart Define. (2015). rapidly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rapidly/thesaurus/synonyms
ChicagoSmart Define. 2015. "rapidly thesaurus" https://smartdefine.org/rapidly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, rapidly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rapidly/thesaurus/synonyms>.
MLASmart Define. "rapidly thesaurus" 5 October 2015. Web. 22 September 2026. <https://smartdefine.org/rapidly/thesaurus/synonyms>