1
breathtaking(affected, melodramatic, theatrical)
1
brusque(adjective, keen, violent, anxious, eager)
1
by accident(expression, adverb, short, suddenly, unexpectedly)
1
by mistake(expression, adverb, short, suddenly, unexpectedly)
1
by surprise(expression, adverb, short, suddenly, unexpectedly)
1
careless(passionate, violent, casual, quick, thoughtless)
1
carelessly(short, suddenly, unexpectedly, unawares, astonishingly)
1
casualty
1
chafing(adjective, keen, violent, anxious, eager)
1
choleric(adjective, keen, violent, anxious, eager)
1
climactic(affected, melodramatic, theatrical)
1
comic(affected, melodramatic, theatrical)
1
complete
1
considerable
1
cracking(summary, abrupt, rapid, unexpected, instant)
1
cursory(fast, quick, brief, speedy, swift)
1
cutting
1
demanding(adjective, keen, violent, anxious, eager)
1
desultory(careless, casual, arbitrary)
1
devil-may-care(noun, passionate, violent, careless, casual)
10 years ago|14k views|share |citing 
APASmart Define. (2016). sudden thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sudden/thesaurus/synonyms
ChicagoSmart Define. 2016. "sudden thesaurus" https://smartdefine.org/sudden/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sudden thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sudden/thesaurus/synonyms>.
MLASmart Define. "sudden thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/sudden/thesaurus/synonyms>