90 entries under tough topic. ×

44
dense(adjective, person, dull, body, strong)
25
solid(adjective, person, close, body, hard)
20
compact(adjective, close, hard, firm)
17
close(adjective, good, hard, love)
13
heavy(adjective, person, body, strong, hard)
13
concentrated(adjective, set, quality, strong, hard)
13
condensed(adjective, quality, strong, hard)
13
viscous(adjective, quality, dense, concentrated)
12
impenetrable(adjective, dull, close, hard)
11
firm(adjective, close, strong, hard)
11
gelatinous(adjective, quality, solid, dense)
11
hard(adjective, person, body, strong)
8
compressed(adjective, close, set, hard)
8
glutinous(adjective, quality, syrupy, tacky)
8
stiff(adjective, set, hard, rough)
7
concrete(adjective, set, strong, hard)
7
gluey(adjective, quality, syrupy, tacky)
7
set(adjective, strong, hard, firm)
7
strong(adjective, person, body, hard)
7
substantial(adjective, close, set, strong, hard)
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APASmart Define. (2016). thick thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/thick/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick thesaurus" https://smartdefine.org/thick/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, thick thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/thick/thesaurus/synonyms>.
MLASmart Define. "thick thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/thick/thesaurus/synonyms>