4
close-knit(packed, compressed, crowded, jam-packed)
4
core(noun, heart, center, middle, midpoint)
4
corpulent
4
densely
4
dumpy(adjective, heavy, short, sturdy, fat)
4
empty-headed
4
filled(adjective, overflowing)
4
fixed(adjective, strong, hard, firm, solid)
4
flourishing
4
gooey(adjective, tough, dense, concentrated, tacky)
4
great(adjective, person, body, extraordinary, big)
4
green(adjective, simple, poor, coarse, natural)
4
halfwitted
4
hefty(adjective, person, body, strong, hard)
4
hoarse(adjective, rough, harsh, wild, loud)
4
idiotic(adjective, dull, simple, slow, silly)
4
ignorant(adjective, dull, simple, slow, silly)
4
impassable
4
impervious(adjective, hard, solid, rigid, dense)
4
implausible(adjective, great, flat, poor, thin)
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APASmart Define. (2016). thick thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/thick/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick thesaurus" https://smartdefine.org/thick/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, thick thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/thick/thesaurus/synonyms>.
MLASmart Define. "thick thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/thick/thesaurus/synonyms>