30 entries under impenetrable topic. ×

15
multitudinous(adjective, separate, big, large, distinct)
7
populous(adjective, separate, distinct, abundant, changeable)
4
considerable(adjective, great, special, individual, dense)
4
crowded(adjective, dense, multitude, profuse, various)
3
replete(common, abundant, dense, extensive, plentiful)
2
full(big, large, abundant, huge, dense)
2
generous(abundant, dense, plentiful, profuse)
1
swarming(adjective, common, dense, extensive, profuse)
1
dense(profuse, various, crowded, overcrowded)
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). numerous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/numerous/thesaurus/synonyms
ChicagoSmart Define. 2015. "numerous thesaurus" https://smartdefine.org/numerous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, numerous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/numerous/thesaurus/synonyms>.
MLASmart Define. "numerous thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/numerous/thesaurus/synonyms>