1
corneous
1
craggy
1
crystal
1
crystalline
1
dependable(reliable, trustworthy, loyal)
1
determined
1
dimensional(adjective, strong, hard, substantial, sturdy)
1
faithful(adjective, true, reliable, trustworthy, loyal)
1
fixed(adjective, strong, hard, substantial, sturdy)
1
fusible(adjective, mineral, steel, metal, golden)
1
geologic(adjective, mineral, steel, metal, golden)
1
gravelly
1
gritty
1
heavy(adjective, strong, hard, substantial, compact)
1
hefty(adjective, strong, hard, substantial, sturdy)
1
hulk(adjective, strong, hard, substantial, sturdy)
1
hunk(adjective, strong, hard, substantial, sturdy)
1
husky(adjective, strong, hard, substantial, sturdy)
1
impenetrable(adjective, firm, stiff, rigid)
1
iron(adjective, firm, stiff, rigid, steel)
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APASmart Define. (2015). rocklike thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rocklike/thesaurus/synonyms
ChicagoSmart Define. 2015. "rocklike thesaurus" https://smartdefine.org/rocklike/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, rocklike thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rocklike/thesaurus/synonyms>.
MLASmart Define. "rocklike thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/rocklike/thesaurus/synonyms>