12 entries under summary topic. ×

3
rapid(prompt, hot, fast, quick)
3
speedball(hot, quick, showy, nimble)
2
speedy(adjective, prompt, hot, fast, quick)
1
headlong(prompt, fast, quick, rapid)
1
alacritous(prompt, fast, quick, showy)
1
express(prompt, fast, quick, rapid)
1
flying(hot, quick, nimble, speedy)
1
immediate(prompt, fast, quick, rapid)
1
precipitate(prompt, fast, quick, rapid)
1
prompt(fast, quick, rapid, speedy)
1
pronto(hot, quick, nimble, speedy)
1
quick(prompt, hot, fast, rapid)
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APASmart Define. (2015). supersonic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/supersonic/thesaurus/synonyms
ChicagoSmart Define. 2015. "supersonic thesaurus" https://smartdefine.org/supersonic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, supersonic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/supersonic/thesaurus/synonyms>.
MLASmart Define. "supersonic thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/supersonic/thesaurus/synonyms>