55 entries under rapid topic. ×

25
quick(adjective, adverb, activity, express, prompt)
25
speedy(adjective, express, prompt, hot, fast)
24
swift(adjective, activity, express, prompt, hot)
12
ready(adjective, activity, express, prompt, active)
11
active(adjective, express, hot, fast, quick)
11
express(verb, adjective, fast, quick, velocity)
10
alert(adjective, activity, keen, energetic, active)
10
immediate(adjective, keen, express, prompt, energetic)
8
snappy(adjective, hot, fast, quick)
6
sudden(adjective, fast, quick, abrupt)
5
alacritous(adjective, prompt, lively, fast, quick)
4
precipitate(adjective, prompt, fast, quick, abrupt)
4
presto(adjective, hot, fast, quick)
4
spry(activity, fast, quick, brisk)
3
accelerated(adjective, hot, fast, quick)
3
brief(adjective, fast, quick, speedy)
3
high-speed(adjective, quick, speedy)
3
mercurial(fast, quick, velocity, speedy)
3
snap(hot, quick, nimble, speedy)
3
sprightly(adjective, fast, swift)
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APASmart Define. (2016). expeditious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/expeditious/thesaurus/synonyms
ChicagoSmart Define. 2016. "expeditious thesaurus" https://smartdefine.org/expeditious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, expeditious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/expeditious/thesaurus/synonyms>.
MLASmart Define. "expeditious thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/expeditious/thesaurus/synonyms>