1
curt(fast, irritable, rapid, swift, tetchy)
1
dalliance
1
darting(adjective, hasty)
1
decisive
1
deft(adjective, careful, quick, clever, flexible)
1
diligent
1
direct(adjective, adverb, fast, quick, previous)
1
dispatchful
1
double-time(hot, quick, rapid)
1
double time(expression, fast, quick, brisk, hasty)
1
draft
1
drifting(flying, soaring, floating, aerial, winged)
1
eagle-winged
1
elastic
1
electrifying
1
energetic(fast, rapid, swift)
1
ephemera
1
ephemeral
1
erratic
1
evanescent
10 years ago|13k views|share |citing 
APASmart Define. (2016). speedy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/speedy/thesaurus/synonyms
ChicagoSmart Define. 2016. "speedy thesaurus" https://smartdefine.org/speedy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, speedy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/speedy/thesaurus/synonyms>.
MLASmart Define. "speedy thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/speedy/thesaurus/synonyms>