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

58 entries under sturdy topic. ×

1
rigorous(adjective, strong, hard, tough, severe)
1
rough(adjective, strong, hard, tough, severe)
1
serious(adjective, strong, hard, tough, severe)
1
steely(adjective, strong, hard, tough, severe)
1
strict(adjective, strong, hard, tough, severe)
1
unsparing(adjective, strong, hard, tough, severe)
0
dense(adjective, strong, hard, tough)
0
ferric(adjective, strong, hard, tough)
0
ferrous(adjective, strong, hard, tough)
0
heavy(adjective, strong, hard, tough)
0
indomitable(adjective, strong, hard, tough)
0
insensible(adjective, strong, hard, tough)
0
robust(adjective, strong, hard, tough)
0
rugged(adjective, strong, hard, tough)
0
steel(adjective, strong, hard, tough)
0
strong(adjective, hard, tough, cold)
0
thick(adjective, strong, hard, tough)
0
tough inflexible(expression, strong, hard, tough)
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APASmart Define. (2015). hardheaded thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hardheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "hardheaded thesaurus" https://smartdefine.org/hardheaded/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, hardheaded thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hardheaded/thesaurus/synonyms>.
MLASmart Define. "hardheaded thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/hardheaded/thesaurus/synonyms>