55 entries under grim topic. ×

3
iron(adjective, mean, hard, tough, firm)
3
persevering(adjective, tough, firm, unreasonable)
3
remorseless(adjective, tough, determined, unreasonable)
3
steadfast(adjective, determined, usual, unreasonable, regular)
3
steely(adjective, strong, hard, tough, determined)
3
strict(adjective, strong, hard, tough, severe)
2
astringent(adjective, strong, hard, tough, severe)
2
balky(adjective, tough, firm, unreasonable)
2
contumacious(adjective, tough, firm, determined, unreasonable)
2
recalcitrant(adjective, tough, firm, stupid, unreasonable)
2
rigorous(adjective, strong, hard, tough, severe)
2
tough(adjective, mean, strong, hard, firm)
2
unmanageable(adjective, tough, firm, unreasonable)
1
bitter(adjective, strong, hard, tough, severe)
1
by the book(expression, adjective, idiom, strong, hard)
1
cantankerous(adjective, tough, firm, unreasonable)
1
cruel(adjective, strong, hard, tough, severe)
1
cussed(adjective, tough, firm, unreasonable)
1
disciplinary(adjective, strong, hard, tough, severe)
1
dyed-in-the-wool(adjective, strong, hard, tough, severe)
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APASmart Define. (2015). stiff-necked thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/stiff-necked/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiff-necked thesaurus" https://smartdefine.org/stiff-necked/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, stiff-necked thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/stiff-necked/thesaurus/synonyms>.
MLASmart Define. "stiff-necked thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/stiff-necked/thesaurus/synonyms>