167 entries under adjective topic. ×

37
abrupt(keen, sharp, passionate, violent)
27
hasty(keen, energetic, passionate, violent)
25
unexpected(passionate, violent, careless, property)
22
quick(noun, passionate, violent, fast)
21
swift(passionate, violent, property, fast)
19
precipitate(noun, verb, sharp, passionate)
18
immediate(noun, fast, irritable, summary)
18
unforeseen(extraordinary, wonderful, quick, abrupt)
17
precipitous(sharp, violent, fast, quick)
16
impetuous(noun, keen, energetic, violent)
14
instantaneous(fast, summary, rapid, swift)
14
rash(noun, passionate, violent, impulsive)
13
fast(irritable, quick, abrupt, speedy)
12
hurried(fast, quick, surprise, abrupt)
12
headlong(noun, keen, sharp, passionate)
12
unanticipated(surprising, inexpectation)
11
acute(severe, intense, important, serious)
11
sharp(irritable, bad-tempered, abrupt, tetchy)
10
rapid(fast, quick, abrupt, speedy)
10
surprising(shock, wonderful, quick, shocking)
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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>