57 entries under rugged topic. ×

1
rough(adjective, strong, hard, tough, severe)
1
serious(adjective, strong, hard, tough, severe)
1
severe(adjective, strong, hard, tough, harsh)
1
steely(adjective, strong, hard, tough, severe)
1
strong(adjective, hard, tough, firm, determined)
1
sturdy(adjective, strong, hard, tough, firm)
1
unsparing(adjective, strong, hard, tough, severe)
0
dense(adjective, strong, hard, tough, stupid)
0
ferric(adjective, strong, hard, tough, sturdy)
0
ferrous(adjective, strong, hard, tough, sturdy)
0
heavy(adjective, strong, hard, tough, sturdy)
0
insensible(adjective, strong, hard, tough, sturdy)
0
robust(adjective, strong, hard, tough, sturdy)
0
steel(adjective, strong, hard, tough, sturdy)
0
strict(adjective, strong, hard, tough, severe)
0
thick(adjective, strong, hard, tough, sturdy)
0
tough inflexible(expression, strong, hard, tough, sturdy)
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APASmart Define. (2015). mulish thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mulish/thesaurus/synonyms
ChicagoSmart Define. 2015. "mulish thesaurus" https://smartdefine.org/mulish/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, mulish thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mulish/thesaurus/synonyms>.
MLASmart Define. "mulish thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/mulish/thesaurus/synonyms>