30 entries under impenetrable topic. ×

22
crowded(noun, verb, adjective, close, great)
12
dense(adjective, firm, solid, full, stiff)
9
thick(adjective, close, firm, solid, full)
8
compressed(adjective, close, set, strong, hard)
7
close(adjective, solid, full, short, substantial)
6
condensed(adjective, close, strong, solid, full)
5
concentrated(adjective, set, strong, hard, firm)
5
populous(adjective, full, assemblage, busy, dense)
4
tight(adjective, close, solid, small, full)
3
bristling(dense, profuse)
3
heaped(noun, verb, dense, profuse)
2
profuse(complete, big, dense, occupied, filled)
1
abundant(complete, big, full, dense, occupied)
1
considerable(dense, profuse)
1
copious(dense, profuse)
1
great(dense, profuse)
1
populated(adjective, dense, profuse, crowded)
0
bushy(dense, profuse)
0
covered(dense, profuse)
0
crawling with(expression, dense, profuse)
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APASmart Define. (2015). packed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/packed/thesaurus/synonyms
ChicagoSmart Define. 2015. "packed thesaurus" https://smartdefine.org/packed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, packed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/packed/thesaurus/synonyms>.
MLASmart Define. "packed thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/packed/thesaurus/synonyms>