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

21 entries under adjective topic. ×

18
fast(adverb, quickly, rapidly, pronto)
14
lickety-split(adverb, fast)
7
posthaste(adverb, fast, velocity, immediately)
1
expeditious
1
hasty
1
instant
1
speedy
0
active
0
cheerful
0
cursory
0
dapper
0
deep
0
dexterous
0
diligent
0
easy
0
facile
0
fluent
0
free
0
glib
0
handy
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APASmart Define. (2016). swiftly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/swiftly/thesaurus/synonyms
ChicagoSmart Define. 2016. "swiftly thesaurus" https://smartdefine.org/swiftly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, swiftly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/swiftly/thesaurus/synonyms>.
MLASmart Define. "swiftly thesaurus" 25 January 2016. Web. 22 September 2026. <https://smartdefine.org/swiftly/thesaurus/synonyms>