15 entries under quickly topic. ×

12
readily(adverb, facility, effortlessly)
11
freely(adverb, well, immediately, easily)
9
facilely(adverb, well, freely, immediately)
9
well(adverb, pleasantly, happily, freely, immediately)
8
swimmingly(adverb, well, facility, freely, immediately)
6
lightly(adverb, well, freely, immediately)
6
without difficulty(expression, adverb, well, freely, immediately)
5
dexterously(adverb, well, easily, simply)
3
efficiently(adverb, well, simply, suitably)
3
hands down(expression, adverb, well, freely, immediately)
3
regularly(adverb, well, simply, equally)
2
no sweat(expression, well, freely, immediately)
2
without a hitch(expression, idiom, adverb, well)
1
nothing to it(expression, well, freely, immediately)
1
piece of cake(expression, well, freely, immediately)
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APASmart Define. (2016). smoothly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/smoothly/thesaurus/synonyms
ChicagoSmart Define. 2016. "smoothly thesaurus" https://smartdefine.org/smoothly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, smoothly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/smoothly/thesaurus/synonyms>.
MLASmart Define. "smoothly thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/smoothly/thesaurus/synonyms>