447 entries under adjective topic. ×

5
barbaric(person, unwarmhearted)
5
bleak(appearance, tough, severe, harsh)
5
cat-hearted(person, unwarmhearted)
5
disciplined
5
fiendish(person, unwarmhearted)
5
gloomy
5
half-spirited(person, unwarmhearted)
5
hard-boiled(hard, tough, severe, rough)
5
hard-line(hard, tough, severe, rough)
5
hateful(person, unwarmhearted)
5
headstrong(hard, tough, rough, harsh)
5
immovable(determined, resolute, rigid, uncompromising)
5
inclement(hard, tough, severe, rough)
5
indecent(person, unwarmhearted)
5
inhumane(person, unwarmhearted)
5
intractable(appearance, terrible, persistent, obstinate)
5
iron(persistent, obstinate, insistent, dogged)
5
keen
5
mummified(person, unwarmhearted)
5
pitiless(mean, hard, severe, sharp)
10 years ago|32k views|share |citing 
APASmart Define. (2016). stern thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stern/thesaurus/synonyms
ChicagoSmart Define. 2016. "stern thesaurus" https://smartdefine.org/stern/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, stern thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stern/thesaurus/synonyms>.
MLASmart Define. "stern thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/stern/thesaurus/synonyms>