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

89 entries under tough topic. ×

1
no-nonsense(adjective, reasonable, sharp, sensible)
1
ornery(firm, unreasonable, grim, inflexible)
1
persistent(firm, determined, unreasonable, grim)
1
rebellious(firm, unreasonable, grim, inflexible)
1
recalcitrant(firm, unreasonable, grim, inflexible)
1
refractory(firm, unreasonable, grim, inflexible)
1
rigorous(adjective, strong, hard, severe)
1
rough(adjective, strong, hard, severe)
1
serious(adjective, strong, hard, severe)
1
single-minded(firm, determined, unreasonable, grim)
1
steely(adjective, strong, hard, severe)
1
strict(adjective, strong, hard, severe)
1
unmanageable(firm, unreasonable, grim, inflexible)
1
unreasonable(firm, grim, inflexible, obstinate)
1
unsparing(adjective, strong, hard, severe)
1
untoward(firm, unreasonable, grim, inflexible)
0
dense(adjective, strong, hard, sturdy)
0
ferric(adjective, strong, hard, sturdy)
0
ferrous(adjective, strong, hard, sturdy)
0
heavy(adjective, strong, hard, sturdy)
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ChicagoSmart Define. 2015. "hardheaded thesaurus" https://smartdefine.org/hardheaded/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hardheaded thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hardheaded/thesaurus/synonyms>.
MLASmart Define. "hardheaded thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/hardheaded/thesaurus/synonyms>