Synonyms|623Antonyms|91|Broader|55Narrower|33Related|470

359 entries under adjective topic. ×

7
self-willed(tough, firm, determined, resolute)
7
single-minded(tough, harsh, cruel, determined)
7
unchangeable(strong, secure, flat, certain)
7
uncompliant(tough, firm, resist, determined)
7
unswayable(hard, determined, resolute, obstinate)
7
wilful(determined, resolute, uncompromising, unshakeable)
6
callous(person, mean, hard, rough)
6
hardheaded(strong, hard, tough, determined)
6
impenetrable(firm, rigid, unyielding, steely)
6
inelastic(determined, resolute, obstinate, uncompromising)
6
persevering(strong, tough, flat, firm)
6
rocky(firm, difficult, rigid, troubled)
6
set in stone(expression, idiom, mean, hard)
5
brassbound(resist, determined, resolute, persistent)
5
bullheaded(strong, hard, tough, firm)
5
die-hard(resist, determined, resolute, persistent)
5
immutable(hard, firm, fixed, inflexible)
5
incompliant(resist, determined, resolute, persistent)
5
indestructible(firm, rigid, unyielding, steely)
5
merciless(person, mean, hard, rough)
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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>