2
ill-humoured
2
inflexible(adjective, severe, harsh, stiff, rigid)
2
invidious
2
mean(sharp, nasty, cross, irritable, bitter)
2
obstinate(adjective, mean, severe, cross, irritable)
2
oppressive(adjective, severe)
2
perverse(adjective, tough, severe, low, sad)
2
pointed
2
poisonous
2
quarrelsome(adjective, nasty, cold, hostile, aloof)
2
rotten(adjective, disagreeable, bad-tempered, resentful)
2
snappy(mean, strong, tough, harsh, awkward)
2
stabbing
2
stewing
2
tetchy(adjective, mean, cross, irritable, ugly)
2
unbending(adjective, severe)
2
uncharitable(adjective, nasty, cold, hostile, aloof)
2
uncivil
2
unhappy(adjective, disagreeable, bad-tempered, resentful)
2
unsatisfied
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APASmart Define. (2015). acrimonious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/acrimonious/thesaurus/synonyms
ChicagoSmart Define. 2015. "acrimonious thesaurus" https://smartdefine.org/acrimonious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, acrimonious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/acrimonious/thesaurus/synonyms>.
MLASmart Define. "acrimonious thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/acrimonious/thesaurus/synonyms>