17
speedy(adjective, hot, fast, quick, abrupt)
16
rapid(adjective, violent, hot, fast, quick)
16
fleet(adjective, prompt, hot, fast, quick)
16
swift(adjective, hot, fast, quick, speedy)
15
hasty(adjective, violent, hot, fast, quick)
14
quick(adjective, prompt, violent, hot, fast)
13
reckless(adjective, violent, wild, thought, fast)
12
fast(adjective, violent, fast, quick, speedy)
12
snappy(adjective, hot, fast, quick, rapid)
11
expeditious(adjective, hot, fast, quick, speedy)
10
flying(adjective, hot, fast, quick, speedy)
10
hurried(adjective, violent, hot, fast, quick)
10
rash(adjective, violent, wild, fast, quick)
9
careless(adjective, wild, quick, thoughtless, rash)
9
dangerous(adjective, bad, heavy, risky, impetuous)
9
foolhardy(adjective, wild, quick, thoughtless, rash)
9
galloping(adjective, fast, hasty, urgent)
9
headlong(adjective, adverb, keen, sharp, prompt)
8
breathless(adjective, hasty, urgent)
8
daredevil(adjective, careless, wild, bold, thoughtless)
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APASmart Define. (2016). breakneck thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/breakneck/thesaurus/synonyms
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>