3
wittily(adverb, cunningly, wittily)
2
rapid(adjective, adverb)
2
actively
2
affectionately
2
alertly
2
artfully(adverb, cunningly, wittily)
2
at the double(expression, idiom, rapidly, speedily)
2
avidly
2
away
2
by and by(verb, expression, idiom, adverb, phrasal verb)
2
contiguously
2
craftily(adverb, cunningly, wittily)
2
cunningly(adverb, cunningly, wittily)
2
double
2
eagerly(adverb, strongly, energetically, dynamically)
2
easily(adverb, difficulty)
2
enthusiastically(adverb, rapidly)
2
erratic
2
expeditious
2
flat
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APASmart Define. (2016). quickly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/quickly/thesaurus/synonyms
ChicagoSmart Define. 2016. "quickly thesaurus" https://smartdefine.org/quickly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, quickly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/quickly/thesaurus/synonyms>.
MLASmart Define. "quickly thesaurus" 21 March 2016. Web. 22 September 2026. <https://smartdefine.org/quickly/thesaurus/synonyms>