178 entries under adverb topic. ×

12
briskly(intensely, fiercely, quickly, rapidly)
12
lickety-split(adjective, informal, fast, quick)
12
pronto(adjective, informal, immediately, quickly)
11
promptly(quickly, rapidly, pronto)
10
breakneck(adjective, violent, quick, speedy)
10
close(adjective, strong, correct, warm)
10
solid(verb, adjective, calm, strong)
9
hurriedly(quickly, rapidly, pronto)
9
like a shot(expression, idiom, quickly, rapidly)
8
expeditiously(early, immediately, quickly, rapidly)
8
firmly(firm, severely, junction, intensely)
8
sharp(adjective, activity, firm, intelligent)
7
presto(adjective, quick, rapid, speedy)
7
headlong(adjective, prompt, violent, quick)
7
in haste(expression, idiom, quickly, rapidly)
7
posthaste(adjective, early, speedy, quickly)
6
abruptly(quickly, rapidly, pronto)
5
chop-chop(quickly, rapidly, pronto)
5
directly(quickly, rapidly, pronto)
5
double-quick(adjective, soon, hastily, swiftly)
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APASmart Define. (2016). fast thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fast/thesaurus/synonyms
ChicagoSmart Define. 2016. "fast thesaurus" https://smartdefine.org/fast/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, fast thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fast/thesaurus/synonyms>.
MLASmart Define. "fast thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/fast/thesaurus/synonyms>