164 entries under adjective topic. ×

5
matter-of-fact(hard, sound, reasonable, excite)
5
perverse(tough, firm, resist, determined)
5
sensible(hard, sound, reasonable, sharp)
5
set(determined, resolute, inflexible, obstinate)
5
stiff(determined, resolute, inflexible, obstinate)
5
tough-minded(hard, sound, excite, real)
5
unbendable(determined, resolute, obstinate, uncompromising)
4
contrary(determined, resolute, obstinate, uncompromising)
4
determined(tough, firm, resolute, obstinate)
4
hard-boiled(strong, hard, sound, tough)
4
hidebound(determined, resolute, inflexible, obstinate)
4
inelastic(determined, resolute, obstinate, uncompromising)
4
pat(determined, resolute, obstinate, uncompromising)
4
stern(determined, serious, resolute, uncompromising)
4
tough(strong, hard, determined, unreasonable)
3
astute(hard, sound, sharp, practical)
3
bovine(determined, resolute, obstinate, uncompromising)
3
brass-bound(determined, resolute, obstinate, uncompromising)
3
bull-headed(determined, resolute, obstinate, uncompromising)
3
firm(strong, hard, tough, determined)
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APASmart Define. (2015). hardheaded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hardheaded/thesaurus/synonyms
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>