Synonyms|744Antonyms|104|Broader|6Narrower|5Related|904

56 entries under quick topic. ×

5
snappy(adjective, keen, energetic, violent, active)
4
rushing(adjective, violent, fierce, ardent)
3
breakneck(adjective, keen, sharp, energetic, active)
3
brief(fast, speedy, swift, immediate)
3
fleeting(adjective, brief, immediate, instant)
3
impatient(adjective, keen, energetic, violent, careless)
3
prompt(adjective, fast, summary, speedy)
2
incautious(adjective, impulsive, reckless, speedy)
2
thoughtless(adjective, impulsive, rash, reckless)
1
agile(fast, rapid, speedy, swift)
1
brash(adjective, thoughtless, impulsive, rash)
1
careless(passionate, violent, casual, thoughtless)
1
cursory(fast, brief, speedy, swift)
1
eager(adjective, keen, violent, careless, anxious)
1
fiery(impulsive, reckless, speedy, hasty)
1
foolhardy(noun, impulsive, rash, reckless)
1
harefooted(fast, irritable, abrupt, speedy)
1
heedless(impulsive, reckless, speedy, hasty)
1
ill-advised(impulsive, reckless, speedy, hasty)
1
inconsiderate(rash, reckless, impetuous, speedy)
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ChicagoSmart Define. 2016. "sudden thesaurus" https://smartdefine.org/sudden/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, sudden thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sudden/thesaurus/synonyms>.
MLASmart Define. "sudden thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/sudden/thesaurus/synonyms>