359 entries under adjective topic. ×

72
stubborn(resolute, determined, uncompromising, obstinate)
55
inflexible(person, mean, strong, hard)
48
obdurate(person, mean, strong, hard)
46
unyielding(mean, strong, hard, secure)
40
rigid(mean, strong, hard, tough)
40
uncompromising(mean, hard, secure, rough)
36
intransigent(resist, determined, resolute, inflexible)
35
firm(noun, mean, strong, hard)
34
determined(strong, hard, tough, flat)
32
obstinate(mean, strong, hard, tough)
32
adamantine(strong, hard, tough, firm)
32
resolute(strong, hard, secure, tough)
32
unbending(mean, strong, hard, tough)
32
unrelenting(mean, strong, hard, tough)
30
inexorable(mean, strong, hard, tough)
30
immovable(mean, strong, hard, secure)
30
relentless(mean, strong, hard, tough)
24
tough(mean, strong, hard, rough)
21
stiff(hard, rough, firm, harsh)
21
hard(mean, strong, tough, rough)
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APASmart Define. (2016). adamant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/adamant/thesaurus/synonyms
ChicagoSmart Define. 2016. "adamant thesaurus" https://smartdefine.org/adamant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, adamant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/adamant/thesaurus/synonyms>.
MLASmart Define. "adamant thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/adamant/thesaurus/synonyms>