359 entries under adjective topic. ×

3
ruthless(mean, hard, rough, harsh)
3
self-opinionated(determined, resolute, uncompromising, unshakeable)
3
stony-hearted
3
strong(hard, tough, flat, firm)
3
stubborn as a mule(expression, idiom, resist, persistence)
3
unadaptable(hard, resolute, rigid, inflexible)
3
unchanging
3
uncompassionate(person, mean, hard, feelings)
3
ungiving(firm, stiff, unyielding, militant)
3
wayward(persistent, obstinate, insistent, dogged)
2
aloof(fixed, rigid, inflexible, obdurate)
2
bigoted(determined, resolute, obstinate, uncompromising)
2
blank(person, feelings, response, emotions)
2
bloody-minded(persistent, obstinate, insistent, dogged)
2
bound(strong, tough, flat, firm)
2
brass-bound(determined, resolute, obstinate, uncompromising)
2
cantankerous(tough, firm, determined, unreasonable)
2
cold-blooded(person, mean, harsh, feelings)
2
constant(strong, secure, flat, firm)
2
dead set on(expression, idiom, strong, secure)
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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>