Synonyms|439Antonyms|85|Broader|1Narrower|0Related|197

22 entries under fast topic. ×

42
speedily(adverb, quickly, rapidly, hastily)
34
quickly(adverb, quickly, rapidly, hastily)
32
rapidly(adverb, quickly, hastily, pronto)
22
promptly(adverb, quickly, rapidly, pronto)
19
hastily(adverb, quickly, rapidly, hastily)
17
apace(adverb, velocity, quickly, rapidly)
15
briskly(adverb, quickly, rapidly, hastily)
15
hurriedly(adverb, quickly, rapidly, hastily)
15
pronto(adverb, quickly, rapidly)
14
abruptly(adverb, quickly, rapidly, hastily)
14
lickety-split(adjective, adverb)
11
directly(adverb, quickly, rapidly, pronto)
11
like a shot(expression, idiom, adverb, quickly)
10
instantaneously(adverb, velocity, quickly, rapidly)
8
chop-chop(adverb, quickly, rapidly, pronto)
8
in haste(adverb, quickly, rapidly, pronto)
7
posthaste(adjective, adverb, velocity, immediately)
3
at speed(adverb, quickly, rapidly, pronto)
3
in a hurry(adverb, quickly, rapidly, pronto)
3
in a rush(adverb, quickly, rapidly, pronto)
<12>
For more, visit Swiftly on Power Thesaurus
10 years ago|9.9k views|share |citing 
APASmart Define. (2016). swiftly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/swiftly/thesaurus/synonyms
ChicagoSmart Define. 2016. "swiftly thesaurus" https://smartdefine.org/swiftly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, swiftly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/swiftly/thesaurus/synonyms>.
MLASmart Define. "swiftly thesaurus" 25 January 2016. Web. 23 September 2026. <https://smartdefine.org/swiftly/thesaurus/synonyms>