2
like blazes
2
like one possessed(expression, idiom, adverb)
2
madly
2
nimble
2
p.d.q.
2
precipitously(adverb, hastily, suddenly, unexpectedly, impulsively)
2
recklessly(intensely, fiercely, hastily, wildly, impulsively)
2
steadily
2
straight away(expression, adverb, directly, immediately, quickly)
2
straightaway
2
urgently(adverb, directly, immediately, quickly, hastily)
2
violently(adverb, intensely, fiercely, wildly, enthusiastically)
1
PDQ(directly, immediately, instantly, shortly, forthwith)
1
abrupt
1
absurdly(intensely, fiercely, wildly)
1
abundance
1
abundant
1
agilely
1
all at once
1
all of a sudden(expression, idiom, adverb, suddenly, unexpectedly)
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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>