6
glacial(adjective, person, unwarmhearted)
6
hardhearted(adjective, person, severe, harsh, cruel)
6
hind end(noun, expression, idiom)
6
hindquarters(noun, adjective, back, tail, bottom)
6
imperative(adjective, severity, authoritative)
6
merciless(adjective, person, appearance, mean, hard)
6
oppressive(adjective, hard, tough, severe, rough)
6
prat
6
prudish(adjective, tough, severe, firm, harsh)
6
set(adjective, tough, severe, firm, honest)
6
sour(adjective, severe, unfriendly, bleak, angry)
6
tight(adjective, rigid)
6
tooshie
5
Draconian(adjective, tough, severe, firm, harsh)
5
aft(noun, adjective, end, back, last)
5
ass
5
banemalenteous(adjective, person, unwarmhearted)
5
barbaric(adjective, person, unwarmhearted)
5
bleak(adjective, appearance, tough, severe, harsh)
5
buns
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APASmart Define. (2016). stern thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stern/thesaurus/synonyms
ChicagoSmart Define. 2016. "stern thesaurus" https://smartdefine.org/stern/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, stern thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stern/thesaurus/synonyms>.
MLASmart Define. "stern thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/stern/thesaurus/synonyms>