115 entries under adjective topic. ×

1
unshakable(strong, hard, substantial, sturdy)
0
durable(firm, stiff, rigid)
0
frozen(hard, compact, dense, rock-hard)
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granite
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harder
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headstrong
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impervious
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impregnable
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indurate(firm, stiff, rigid)
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indurated(firm, stiff, rigid)
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inexorable
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intractable
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leathery
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loyal(true, reliable, trustworthy, responsible)
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metallic
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mulish
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obstinate
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ox(strapping, well-built, stallion)
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packed(firm, stiff, rigid)
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petrified
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APASmart Define. (2015). rocklike thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rocklike/thesaurus/synonyms
ChicagoSmart Define. 2015. "rocklike thesaurus" https://smartdefine.org/rocklike/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, rocklike thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rocklike/thesaurus/synonyms>.
MLASmart Define. "rocklike thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/rocklike/thesaurus/synonyms>