1
abrupt(adjective, fast, irritable, quick, summary)
1
accomplished(adjective, regular, serious, practical, competent)
1
apace
1
apt
1
avid
1
blue streak(expression, hot, quick, nimble, speedy)
1
bustling
1
chop-chop(hot, quick, rapid, nimble, speedy)
1
concentrated(adjective, regular, serious, practical, competent)
1
curt(fast, irritable, rapid, swift, tetchy)
1
decisive
1
dexterous(adjective, quick, flexible, timely, swift)
1
disciplined(adjective, regular, serious, practical, competent)
1
dispatchful
1
disposed
1
double-quick
1
double-time(hot, quick, rapid, nimble, speedy)
1
double time(expression, fast, quick, brisk, hasty)
1
eagle-winged
1
earnest(adjective, regular, serious, practical, competent)
10 years ago|7.5k views|share |citing 
APASmart Define. (2016). expeditious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/expeditious/thesaurus/synonyms
ChicagoSmart Define. 2016. "expeditious thesaurus" https://smartdefine.org/expeditious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, expeditious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/expeditious/thesaurus/synonyms>.
MLASmart Define. "expeditious thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/expeditious/thesaurus/synonyms>