90 entries under adverb topic. ×

57
swift(adjective, direct, express, prompt)
50
fast(adjective, direct, express, firm)
27
immediate(noun, adjective, express, prompt)
25
expeditious(adjective, express, prompt, property)
25
prompt(adjective, smooth, easy, sharp)
12
quickly(adjective, fast, rapidly, soon)
11
punctual(adjective, characteristic, time, quality)
9
promptly(early, directly, immediately, quickly)
8
posthaste(adjective, hot, fast, speedy)
8
soon(adjective, immediate, directly, quickly)
8
speedily(early, quickly, rapidly, instantly)
7
apace(fast, quickly, rapidly, speedily)
7
pronto(adjective, informal, hot, fast)
7
rapidly(early, quickly, instantly, speedily)
6
hastily(early, quickly, rapidly, instantly)
6
swiftly(quickly, rapidly, soon, snappily)
5
expeditiously(early, quickly, rapidly, soon)
4
on the double(expression, adjective, idiom, hot)
4
double-quick(summary, rapid, instant, rapidly)
4
fleetly(early, quickly, rapidly, soon)
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APASmart Define. (2016). quick thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/quick/thesaurus/synonyms
ChicagoSmart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, quick thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/quick/thesaurus/synonyms>.
MLASmart Define. "quick thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/quick/thesaurus/synonyms>