77 entries under tough topic. ×

6
stringent(adjective, strong, severe, sharp)
6
sullen(adjective, mean, bad, wrong)
5
antagonistic(adjective, mean, bad, wrong)
5
snappish(adjective, harsh, gloomy, depressed)
5
sulky(adjective, low, sad, harsh)
5
unpleasant(adjective, mean, severe, harsh)
4
bad-tempered(adjective, mean, harsh, cross)
4
dour(adjective, severe, low, sad)
4
grim(adjective, severe, harsh, cruel)
4
morose(adjective, mean, severe, nasty)
4
rigorous(adjective, severe, harsh, grim)
3
austere(adjective, mean, severe, evil)
3
bleak(adjective, severe, harsh, cold)
3
blunt(adjective, severe, harsh, awkward)
3
captious(adjective, mean, severe, sharp)
3
crotchety(adjective, mean, harsh, cross)
3
cynical(adjective, mean, evil, sharp)
3
disagreeable(adjective, severe, nasty, harsh)
3
obdurate(adjective, severe, harsh, cruel)
3
prickly(adjective, harsh, awkward, irritable)
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APASmart Define. (2015). acrimonious thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/acrimonious/thesaurus/synonyms
ChicagoSmart Define. 2015. "acrimonious thesaurus" https://smartdefine.org/acrimonious/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, acrimonious thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/acrimonious/thesaurus/synonyms>.
MLASmart Define. "acrimonious thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/acrimonious/thesaurus/synonyms>