68 entries under hard topic. ×

8
concentrated(verb, adjective, set, strong)
6
compact(adjective, close, set, strong)
6
solid(adjective, close, set, firm)
5
compacted(verb, adjective, set, strong)
5
firm(adjective, close, set, solid)
5
thick(adjective, close, firm, solid)
4
close(adjective, set, solid, heavy)
4
dense(adjective, set, strong, firm)
4
packed(adjective, close, set, strong)
3
concrete(adjective, set, firm, solid)
2
heavy(adjective, set, solid, deep)
2
massive(deep, fat, broad, bulky)
2
substantial(adjective, close, strong, solid)
2
thickset(deep, fat, broad, bulky)
1
deep(adjective, set, solid, heavy)
1
fixed(verb, adjective, set, solid)
1
hard-bitten
1
hardened(verb, adjective, set, strong)
1
husky(adjective, strong, deep, substantial)
1
indurate(adjective, set, strong, firm)
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APASmart Define. (2015). consolidated thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/consolidated/thesaurus/synonyms
ChicagoSmart Define. 2015. "consolidated thesaurus" https://smartdefine.org/consolidated/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, consolidated thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/consolidated/thesaurus/synonyms>.
MLASmart Define. "consolidated thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/consolidated/thesaurus/synonyms>