136 entries under adverb topic. ×

8
chop-chop(fast, quickly, rapidly, pronto)
8
fleetly(immediately, quickly, rapidly, soon)
8
in haste(fast, quickly, rapidly, pronto)
7
forthwith
7
like greased lightning(expression, idiom, quickly, rapidly)
7
posthaste(adjective, fast, velocity, immediately)
6
in no time(expression, idiom, quickly, rapidly)
6
readily
6
right away
6
snappily(soon, posthaste)
6
soon(directly, immediately, quickly, rapidly)
6
straightaway
5
nimbly
4
double-quick(soon, hastily, snappily, impulsively)
4
feverishly
4
in a trice(expression, idiom)
4
post-haste
4
precipitately
4
unexpectedly
3
at speed(fast, quickly, rapidly, pronto)
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APASmart Define. (2016). swiftly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/swiftly/thesaurus/synonyms
ChicagoSmart Define. 2016. "swiftly thesaurus" https://smartdefine.org/swiftly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, swiftly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/swiftly/thesaurus/synonyms>.
MLASmart Define. "swiftly thesaurus" 25 January 2016. Web. 25 September 2026. <https://smartdefine.org/swiftly/thesaurus/synonyms>