164 entries under adjective topic. ×

1
no-nonsense(tough, reasonable, sharp, sensible)
1
resistant(determined, resolute, obstinate, uncompromising)
1
rigorous(strong, hard, tough, severe)
1
rough(strong, hard, tough, severe)
1
serious(strong, hard, tough, severe)
1
set in stone(determined, resolute, obstinate, uncompromising)
1
standing pat(determined, resolute, obstinate, uncompromising)
1
steely(strong, hard, tough, severe)
1
strict(strong, hard, tough, severe)
1
unappeasable(determined, resolute, uncompromising, unshakeable)
1
unfantastic(hard, sound, reasonable, sensible)
1
unforgiving(determined, resolute, uncompromising, unshakeable)
1
unsparing(strong, hard, tough, severe)
1
unswayable(determined, resolute, obstinate, uncompromising)
1
utilitarian(hard, sound, practical, realistic)
0
aloof(standoffish, formal, stuffy)
0
angular(strong, cold, standoffish, formal)
0
artificial(strong, cold, standoffish, formal)
0
businesslike(hard, sound, sharp, practical)
0
ceremonious(strong, cold, standoffish, formal)
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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>