1
nimbly
1
on short notice(expression, idiom, soon, swiftly, proximately)
1
on spur of the moment
1
on the dot(expression, idiom, immediately, quickly, soon)
1
post
1
precipitately
1
precipitously
1
prematurely
1
prompt(adjective, fast, quick, rapid, speedy)
1
racing(hot, quick, rapid, nimble, speedy)
1
rashly
1
readily
1
ready(hot, quick, rapid, nimble, speedy)
1
recklessly
1
snap(hot, quick, rapid, nimble, speedy)
1
snappy(hot, fast, quick, nimble, speedy)
1
speedball(hot, quick, rapid, nimble, speedy)
1
spirited(fast, rapid, swift)
1
sprightly(fast, rapid, swift)
1
spry(fast, rapid, swift)
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APASmart Define. (2015). posthaste thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/posthaste/thesaurus/synonyms
ChicagoSmart Define. 2015. "posthaste thesaurus" https://smartdefine.org/posthaste/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, posthaste thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/posthaste/thesaurus/synonyms>.
MLASmart Define. "posthaste thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/posthaste/thesaurus/synonyms>