6
morose(adjective, tough, difficult, harsh, feelings)
6
perverse(adjective, tough, difficult, harsh, awkward)
6
spiteful(adjective, irritable, crabby, cranky)
6
temperamental
6
tetchy(adjective, mean, difficult, cross, short)
5
acerbic(adjective, irritable)
5
depressed(adjective, feelings)
5
discourteous(adjective, hard, direct, tough, rough)
5
hard(adjective, tough, harsh, rude, coarse)
5
huffish(adjective, cross, short, angry, offended)
5
ornery(adjective, mean, difficult, coarse, irritable)
5
prickly(adjective, tough, difficult, harsh, irritable)
5
quick-tempered(adjective, short, faultfinding, caviling, excitable)
5
saturnine(adjective, tough, harsh, awkward, irritable)
5
snappy(adjective, mean, hurt, direct, tough)
5
snippy(adjective, open, direct, rough, honest)
4
bilious
4
bitter(adjective, irritable)
4
brooding(adjective, feelings)
4
crispy(adjective, feature, state, characteristic, structure)
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APASmart Define. (2016). crusty thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/crusty/thesaurus/synonyms
ChicagoSmart Define. 2016. "crusty thesaurus" https://smartdefine.org/crusty/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, crusty thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/crusty/thesaurus/synonyms>.
MLASmart Define. "crusty thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/crusty/thesaurus/synonyms>