1
reckless(adjective, sudden)
1
sharp(adjective, sudden)
1
snap(quick, rapid, speedy)
1
sped(verb, hastened)
1
sped up(verb, phrasal verb)
1
speed
1
speed up(verb, phrasal verb)
1
speedball(hot, quick, rapid, speedy)
1
speeding
1
spirited(fast, rapid, swift)
1
spontaneous(adjective, sudden)
1
spread
1
sprightly(fast, rapid, swift)
1
spry(fast, quick, rapid, brisk, hasty)
1
spurred(verb, hastened)
1
stiffened
1
strengthened
1
supersonic(prompt, hot, fast, quick, rapid)
1
swollen
1
urgent(adjective, sudden)
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APASmart Define. (2016). accelerated thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/accelerated/thesaurus/synonyms
ChicagoSmart Define. 2016. "accelerated thesaurus" https://smartdefine.org/accelerated/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, accelerated thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/accelerated/thesaurus/synonyms>.
MLASmart Define. "accelerated thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/accelerated/thesaurus/synonyms>