167 entries under adjective topic. ×

1
irascible(keen, violent, anxious, eager)
1
irritable(keen, violent, anxious, eager)
1
itchy(keen, violent, anxious, eager)
1
keen(energetic, violent, active, anxious)
1
lively(fast, rapid, swift)
1
nimble(fast, summary, rapid, swift)
1
perfect
1
quick-tempered(keen, violent, anxious, eager)
1
quickened(quick, abrupt, rapid, unexpected)
1
reflex
1
restless(keen, violent, anxious, eager)
1
ripe(keen, violent, anxious, eager)
1
rushed(quick, summary, rapid, swift)
1
spur-of-the-moment(noun, violent, fierce, quick)
1
straining(keen, violent, anxious, eager)
1
subito(abrupt, rapid, unexpected, quickly)
1
testy(keen, violent, anxious, eager)
1
tetchy(irritable, annoyed, irritated, bad-tempered)
1
thirsty(keen, violent, anxious, eager)
1
touchy(irritable, annoyed, irritated, bad-tempered)
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APASmart Define. (2016). sudden thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sudden/thesaurus/synonyms
ChicagoSmart Define. 2016. "sudden thesaurus" https://smartdefine.org/sudden/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sudden thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sudden/thesaurus/synonyms>.
MLASmart Define. "sudden thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/sudden/thesaurus/synonyms>