7
waspish(adjective, violence, irritable, tetchy, snippy)
6
bad-tempered(adjective, irritable, angry, grumpy, gruff)
6
brash(adjective, careless, quick, thoughtless, impulsive)
6
breakneck(adjective, keen, sharp, violent, active)
6
crabbed(adjective, angry, blunt, impolite, brief)
6
crabby(adjective, irritable, grumpy, gruff, snappy)
6
crisp(adjective, severe, short, curt)
6
irascible(adjective, keen, violent, anxious, eager)
6
irritable(adjective, keen, violent, anxious, eager)
6
offhand(adjective, rough, rude, passionate, violent)
6
precipitant(adjective, violent, fast, fierce, quick)
6
spontaneous(adjective, thoughtless, impulsive, rash, unthinking)
6
summary(adjective, rude, short, rapid, brisk)
6
surprising(adjective, shock, wonderful, quick, unexpected)
6
unannounced
5
acrimonious(adjective, severe)
5
acute(adjective, severe, violence, sudden)
5
bearish(adjective, open, rough, short, brief)
5
choleric(adjective, keen, violent, anxious, eager)
5
cranky
11 years ago|25k views|share |citing 
APASmart Define. (2015). abrupt thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/abrupt/thesaurus/synonyms
ChicagoSmart Define. 2015. "abrupt thesaurus" https://smartdefine.org/abrupt/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, abrupt thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/abrupt/thesaurus/synonyms>.
MLASmart Define. "abrupt thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/abrupt/thesaurus/synonyms>