24 entries under fast topic. ×

44
suddenly(adverb, right, straight, bang)
20
hastily(adverb, quickly, rapidly, hastily)
13
briskly(adverb, severely, quickly, rapidly)
13
swiftly(adverb, quickly, rapidly, hastily)
12
quickly(adverb, rapidly, hastily, suddenly)
10
hurriedly(adverb, quickly, rapidly, hastily)
10
instantaneously(adverb, quickly, rapidly, suddenly)
10
rapidly(adverb, quickly, hastily, pronto)
10
short(adjective, adverb, sudden, suddenly)
10
speedily(adverb, quickly, rapidly, hastily)
7
promptly(adverb, quickly, rapidly, pronto)
6
apace(adverb, quickly, rapidly, pronto)
6
directly(adverb, quickly, rapidly, frankly)
5
in haste(adverb, quickly, rapidly, pronto)
5
pronto(adverb, quickly, rapidly)
3
at speed(adverb, quickly, rapidly, pronto)
3
chop-chop(adverb, quickly, rapidly, pronto)
3
in a hurry(adverb, quickly, rapidly, pronto)
3
in a rush(adverb, quickly, rapidly, pronto)
3
like lighting(adverb, quickly, rapidly, pronto)
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APASmart Define. (2016). abruptly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/abruptly/thesaurus/synonyms
ChicagoSmart Define. 2016. "abruptly thesaurus" https://smartdefine.org/abruptly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, abruptly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/abruptly/thesaurus/synonyms>.
MLASmart Define. "abruptly thesaurus" 25 January 2016. Web. 22 September 2026. <https://smartdefine.org/abruptly/thesaurus/synonyms>