32 entries under impenetrable topic. ×

14
numerous(adjective, separate, big, large, distinct)
6
populous(adjective, separate, distinct, changeable, dense)
5
considerable(adjective, great, dense, considerable, profuse)
4
crowded(adjective, dense, multitude, profuse, various)
3
thick(adjective, dense, multitude, plentiful, profuse)
2
generous(dense, profuse)
2
swarming(adjective, common, dense, extensive, profuse)
1
dense(profuse, various, crowded, overcrowded)
1
frequent(common, dense, extensive, plentiful, profuse)
1
populated(dense, profuse, crowded, overcrowded)
0
brimming(dense, profuse)
0
bristling(dense, profuse)
0
bursting(dense, profuse)
0
bushy(dense, profuse)
0
chock-full(dense, profuse)
0
close(dense, profuse)
0
compressed(dense, profuse)
0
concentrated(dense, profuse)
0
condensed(dense, profuse)
0
covered(dense, profuse)
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APASmart Define. (2015). multitudinous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/multitudinous/thesaurus/synonyms
ChicagoSmart Define. 2015. "multitudinous thesaurus" https://smartdefine.org/multitudinous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, multitudinous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/multitudinous/thesaurus/synonyms>.
MLASmart Define. "multitudinous thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/multitudinous/thesaurus/synonyms>