Synonyms|312Antonyms|44|Broader|0Narrower|0Related|432

117 entries under quick topic. ×

2
harum-scarum(violent, fast)
2
heedless(adjective, violent, wild, fast)
2
high-speed(adjective, fast, rapid, speedy)
2
immediate(adjective, prompt, fast, irritable)
2
in nothing flat(expression, hot, fast, speedy)
2
lively(prompt, fast, speedy, brisk)
2
mercurial(fast, rapid, speedy, brisk)
2
on the double(expression, hot, fast, speedy)
2
plunging(violent, fast)
2
precipitant(violent, fast, rash, reckless)
2
precipitous(adjective, sharp, fast, course)
2
pronto(hot, fast, rapid, nimble)
2
ready(prompt, hot, fast, nimble)
2
rushed(adjective, summary, rapid, speedy)
2
slapdash(speedy, swift, hurried, rushed)
2
speedball(hot, fast, summary, nimble)
2
supersonic(prompt, hot, fast, rapid)
1
PDQ(hot, rapid, nimble, speedy)
1
alacritous(prompt, fast, summary, rapid)
1
alert(prompt, fast, rapid, speedy)
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ChicagoSmart Define. 2016. "breakneck thesaurus" https://smartdefine.org/breakneck/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, breakneck thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/breakneck/thesaurus/synonyms>.
MLASmart Define. "breakneck thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/breakneck/thesaurus/synonyms>