10
ultrasonic(adjective, prompt, fast, quick)
8
swift(adjective, prompt, hot, fast, quick)
6
expeditious(prompt, hot, fast, quick, rapid)
4
breakneck(prompt, hot, fast, quick, rapid)
3
like crazy(expression, hot, quick, showy, nimble)
3
like mad(expression, hot, quick, showy, nimble)
3
rapid(prompt, hot, fast, quick, summary)
3
ready(prompt, hot, fast, quick, rapid)
3
snappy(prompt, hot, fast, quick, rapid)
3
speedball(hot, quick, summary, showy, nimble)
3
winged(prompt, hot, fast, quick, rapid)
2
speedy(adjective, prompt, hot, fast, quick)
2
fleet(prompt, hot, fast, quick, rapid)
2
agile(prompt, hot, fast, quick, nimble)
2
brisk(prompt, hot, fast, quick, rapid)
2
fast(prompt, quick, rapid, speedy, glistening)
2
hypersonic(hot, quick, rapid, nimble, speedy)
1
hasty(prompt, hot, fast, quick, rapid)
1
headlong(prompt, fast, quick, summary, rapid)
1
hurried(prompt, hot, fast, quick, rapid)
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APASmart Define. (2015). supersonic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/supersonic/thesaurus/synonyms
ChicagoSmart Define. 2015. "supersonic thesaurus" https://smartdefine.org/supersonic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, supersonic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/supersonic/thesaurus/synonyms>.
MLASmart Define. "supersonic thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/supersonic/thesaurus/synonyms>