Synonyms|303Antonyms|41|Broader|2Narrower|0Related|548

36 entries under rock-hard topic. ×

1
material(adjective, strong, hard, substantial, sturdy)
1
physical(adjective, strong, hard, substantial, sturdy)
1
rock(adjective, strong, hard, substantial, sturdy)
1
rocklike(adjective, strong, hard, firm, substantial)
1
rooted(adjective, strong, hard, substantial, sturdy)
1
set(verb, adjective, strong, hard, firm)
1
sound(adjective, strong, hard, substantial, sturdy)
1
strong(adjective, set, hard, firm, substantial)
1
unshakable(adjective, strong, hard, substantial, sturdy)
0
frozen(adjective, hard, compact, dense)
0
rock-solid(adjective, hard, compact, dense)
0
secure(adjective, strong, hard, substantial, sturdy)
0
stable(adjective, strong, hard, substantial, sturdy)
0
sturdy(adjective, strong, hard, substantial, compact)
0
tight(adjective, strong, hard, solid, substantial)
0
unyielding(adjective, hard, firm, stiff, compact)
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ChicagoSmart Define. 2015. "compacted thesaurus" https://smartdefine.org/compacted/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, compacted thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/compacted/thesaurus/synonyms>.
MLASmart Define. "compacted thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/compacted/thesaurus/synonyms>