140 entries under adverb topic. ×

40
quickly(fast, quickly, rapidly, hastily)
35
swiftly(fast, quickly, rapidly, hastily)
31
rapidly(fast, quickly, hastily, pronto)
26
promptly(time, fast, early, timely)
20
fast(adjective, quickly, rapidly, pronto)
19
apace(fast, quickly, rapidly, earliness)
19
hastily(fast, quickly, rapidly, hastily)
18
expeditiously(quick, early, quickly, earnestly)
18
immediately(freely, directly, quickly, easily)
16
hurriedly(fast, quickly, rapidly, hastily)
16
directly(fast, quickly, rapidly, earliness)
15
at once(expression, idiom, directly, immediately)
15
pronto(fast, quickly, rapidly)
14
without delay(expression, idiom, freely, immediately)
13
briskly(fast, quickly, rapidly, hastily)
13
instantly
11
abruptly(fast, quickly, rapidly, hastily)
11
instantaneously(fast, quickly, rapidly, earliness)
11
lickety-split
10
chop-chop(fast, quickly, rapidly, pronto)
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APASmart Define. (2015). speedily thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/speedily/thesaurus/synonyms
ChicagoSmart Define. 2015. "speedily thesaurus" https://smartdefine.org/speedily/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, speedily thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/speedily/thesaurus/synonyms>.
MLASmart Define. "speedily thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/speedily/thesaurus/synonyms>