3
dead
3
extemporaneous(adjective, thoughtless, impulsive, impetuous, unwary)
3
fleet(adjective, fast, irritable, quick, rapid)
3
frank(adjective, open, direct, rough, honest)
3
fretful(adjective, keen, violent, anxious, eager)
3
ill-bred(adjective, rude, fresh, crude, impolite)
3
ill-humoured
3
impertinent(adjective, rude, fresh, crude, blunt)
3
jerky(adjective, violent, quick, unexpected, sudden)
3
keen(adjective, severe, energetic, violent, active)
3
laconic(adjective, open, rough, rude, short)
3
nasty(irritable, grumpy, bad-tempered, tetchy, snippy)
3
out of the blue(expression, adjective, idiom, quick, unexpected)
3
outspoken(adjective, open, direct, rough, honest)
3
passing(quick, speedy, hurried)
3
perfunctory(adjective, indifferent, fast, casual, quick)
3
querulous(adjective, annoyed, irritated, edgy, intolerant)
3
short-spoken(adjective, attitude)
3
snap
3
stark(adjective, severe, utter, absolute)
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APASmart Define. (2015). abrupt thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/abrupt/thesaurus/synonyms
ChicagoSmart Define. 2015. "abrupt thesaurus" https://smartdefine.org/abrupt/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, abrupt thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/abrupt/thesaurus/synonyms>.
MLASmart Define. "abrupt thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/abrupt/thesaurus/synonyms>