Synonyms|319Antonyms|166|Broader|2Narrower|0Related|1.1k

67 entries under determined topic. ×

8
unrelenting(adjective, strong, hard, tough, cold)
8
wilful(adjective, resolute, obstinate, uncompromising)
7
adamantine(adjective, strong, hard, tough, firm)
7
opinionated(adjective, tough, firm, resolute)
6
adamant(adjective, strong, hard, tough)
6
inexorable(adjective, strong, hard, tough)
6
intransigent(adjective, resolute, obstinate, uncompromising)
6
relentless(adjective, strong, hard, tough, cold)
6
unbending(adjective, strong, hard, tough)
5
bigoted(adjective, resolute, obstinate, uncompromising)
5
immovable(adjective, strong, hard, tough)
5
perverse(adjective, tough, firm, resist)
5
set(adjective, resolute, inflexible, obstinate)
5
stiff(adjective, resolute, inflexible, obstinate)
5
unbendable(adjective, resolute, obstinate, uncompromising)
4
contrary(adjective, resolute, obstinate, uncompromising)
4
hidebound(adjective, resolute, inflexible, obstinate)
4
inelastic(adjective, resolute, obstinate, uncompromising)
4
pat(adjective, resolute, obstinate, uncompromising)
4
stern(adjective, serious, resolute, uncompromising)
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ChicagoSmart Define. 2015. "hardheaded thesaurus" https://smartdefine.org/hardheaded/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, hardheaded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hardheaded/thesaurus/synonyms>.
MLASmart Define. "hardheaded thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/hardheaded/thesaurus/synonyms>