9
splenetic(adjective, tough, nasty, harsh, speech)
9
testy(adjective, severe, nasty, cross, speech)
8
acidulous
8
crabbed(adjective, mean, gloomy, depressed, irritable)
8
cranky(adjective, mean, nasty, low, speech)
8
crusty(adjective, mean, tough, harsh, cross)
8
exasperated(adjective, mad, irritation, annoyance, heated)
8
gruff(adjective, severe, low, sad, cold)
8
hard(adjective, mean, love, severe, attitude)
8
ireful(adjective, nasty, speech, resentment, unfriendly)
8
irritated(adjective, irritation, annoyance, discontent, irritability)
8
livid(adjective, irritation, annoyance, discontent, irritability)
8
surly(adjective, mean, bad, tough, wrong)
8
venomous(adjective, malevolence, discourtesy)
8
vicious(hard, bitter, malicious, cutting, hurtful)
8
wrathful(adjective, nasty, speech, resentment, unfriendly)
7
hostile(adjective, mean, bad, tough, wrong)
7
ill-tempered(adjective, tough, low, sad, harsh)
7
irritable(adjective, severe, low, sad, cross)
7
malevolent(adjective, bitter, angry, malicious, offended)
11 years ago|20k views|share |citing 
APASmart Define. (2015). acrimonious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/acrimonious/thesaurus/synonyms
ChicagoSmart Define. 2015. "acrimonious thesaurus" https://smartdefine.org/acrimonious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, acrimonious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/acrimonious/thesaurus/synonyms>.
MLASmart Define. "acrimonious thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/acrimonious/thesaurus/synonyms>