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

51 entries under grim topic. ×

2
persevering(tough, firm, determined, unreasonable)
2
severe(adjective, strong, hard, tough, harsh)
1
astringent(adjective, strong, hard, tough, severe)
1
bitter(adjective, strong, hard, tough, severe)
1
by the book(expression, adjective, idiom, strong, hard)
1
cantankerous(tough, firm, unreasonable, inflexible)
1
contumacious(tough, firm, unreasonable, inflexible)
1
cruel(adjective, strong, hard, tough, severe)
1
cussed(tough, firm, unreasonable, inflexible)
1
disciplinary(adjective, strong, hard, tough, severe)
1
dyed-in-the-wool(adjective, strong, hard, tough, severe)
1
flinty(adjective, strong, hard, tough, severe)
1
forbidding(adjective, strong, hard, tough, severe)
1
frowning(adjective, strong, hard, tough, severe)
1
hang-tough(adjective, strong, hard, tough, severe)
1
hard-shell(adjective, strong, hard, tough, severe)
1
insubordinate(tough, firm, unreasonable, inflexible)
1
mortified(adjective, strong, hard, tough, severe)
1
ornery(tough, firm, unreasonable, inflexible)
1
persistent(tough, firm, determined, unreasonable)
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HarvardSmart Define 2015, hardheaded thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hardheaded/thesaurus/synonyms>.
MLASmart Define. "hardheaded thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/hardheaded/thesaurus/synonyms>