65 entries under rapid topic. ×

30
rash(noun, adjective, rude, passionate, violent)
24
hasty(adjective, keen, prompt, rude, passionate)
20
impetuous(noun, adjective, strong, keen, difficult)
17
impulsive(noun, adjective, strong, difficult, intense)
16
precipitate(noun, verb, adjective, strong, sharp)
9
sudden(noun, adjective, keen, sharp, passionate)
8
breakneck(adjective, adverb, keen, sharp, prompt)
7
precipitous(adjective, sharp, fast, course, quick)
6
abrupt(adjective, keen, sharp, passionate, violent)
5
speedy(adjective, prompt, fast, quick, abrupt)
4
impatient(adjective, keen, energetic, violent, careless)
4
cursory(adjective, fast, quick, speedy)
4
flying(fast, summary, swift, instant)
4
prompt(fast, quick, summary, speedy)
4
whirlwind(noun, adjective, fast, quick)
3
express(prompt, fast, quick, summary)
3
posthaste(adjective, adverb, fast, swift)
3
snappy(adjective, keen, prompt, energetic, violent)
2
agile(prompt, fast, quick, speedy)
2
expeditious(prompt, fast, quick, abrupt)
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APASmart Define. (2015). headlong thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/headlong/thesaurus/synonyms
ChicagoSmart Define. 2015. "headlong thesaurus" https://smartdefine.org/headlong/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, headlong thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/headlong/thesaurus/synonyms>.
MLASmart Define. "headlong thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/headlong/thesaurus/synonyms>