76 entries under mean topic. ×

15
unshakable(adjective, strong, hard, secure)
14
hard-nosed(adjective, strong, hard, secure)
14
stern(adjective, hard, rough, firm)
13
mulish(adjective, strong, hard, tough)
12
pigheaded(adjective, hard, tough, deliberate)
11
grim(adjective, strong, hard, tough)
10
perverse(adjective, hard, tough, deliberate)
9
severe(adjective, strong, hard, tough)
9
unforgiving(adjective, person, hard, rough)
8
stiff-necked(adjective, strong, hard, tough)
7
harsh(adjective, strong, hard, tough)
7
remorseless(adjective, tough, harsh, resist)
6
callous(adjective, person, hard, rough)
6
set in stone(expression, adjective, idiom, hard)
5
merciless(adjective, person, hard, rough)
5
unappeasable(adjective, harsh, cruel, determined)
5
unsympathetic(adjective, hard, tough, harsh)
4
hanging tough(expression, adjective, hard, determined)
4
hard-boiled(adjective, person, strong, hard)
4
hard-hearted(adjective, hard, tough, harsh)
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APASmart Define. (2016). adamant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/adamant/thesaurus/synonyms
ChicagoSmart Define. 2016. "adamant thesaurus" https://smartdefine.org/adamant/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, adamant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/adamant/thesaurus/synonyms>.
MLASmart Define. "adamant thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/adamant/thesaurus/synonyms>