Synonyms|216Antonyms|9|Broader|0Narrower|0Related|355

32 entries under substantial topic. ×

6
hard(adjective, strong, firm, stiff)
4
firm(adjective, strong, hard, stiff)
3
concrete(adjective, strong, hard, sturdy)
3
dense(adjective, strong, hard, firm)
1
brick wall(expression, adjective, strong, hard, solid)
1
close(adjective, strong, hard, compact)
1
compact(adjective, strong, hard, firm)
1
compacted(adjective, strong, hard, firm)
1
concentrated(adjective, strong, hard, firm)
1
consolidated(adjective, strong, hard, firm)
1
dimensional(adjective, strong, hard, sturdy)
1
fixed(adjective, strong, hard, sturdy)
1
heavy(adjective, strong, hard, compact)
1
hefty(adjective, strong, hard, sturdy)
1
hulk(adjective, strong, hard, sturdy)
1
hunk(adjective, strong, hard, sturdy)
1
husky(adjective, strong, hard, sturdy)
1
massed(adjective, strong, hard, solid)
1
material(adjective, strong, hard, sturdy)
1
physical(adjective, strong, hard, sturdy)
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ChicagoSmart Define. 2015. "rocklike thesaurus" https://smartdefine.org/rocklike/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, rocklike thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rocklike/thesaurus/synonyms>.
MLASmart Define. "rocklike thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/rocklike/thesaurus/synonyms>