7
crowded(verb, packed)
6
stuffed(adjective, full, teeming, packed, jammed)
5
congested(adjective, small, full, restricted, confined)
5
jammed(verb, adjective, full, teeming, packed)
4
crammed(verb, adjective, full, teeming, packed)
4
filled(full, teeming, packed, jammed, blocked)
4
packed(verb, adjective, small, teeming, jammed)
3
pressed
3
thronged(verb, adjective, full, packed, crowded)
2
chock-a-block
2
chock-full(adjective, full, capacity, teeming, jammed)
2
cramped(adjective, full, restricted, confined, packed)
2
full(adjective, teeming, packed)
2
huddled(adjective, full, packed)
2
overpopulated
2
populous(adjective, full, packed, crowded, populated)
2
swarming(adjective, full, packed, crowded, populated)
2
teeming(adjective, full, packed, jammed, crowded)
1
brimming(adjective, full, teeming, packed)
1
close(adjective, small, full, restricted, confined)
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APASmart Define. (2015). overcrowded thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/overcrowded/thesaurus/synonyms
ChicagoSmart Define. 2015. "overcrowded thesaurus" https://smartdefine.org/overcrowded/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, overcrowded thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/overcrowded/thesaurus/synonyms>.
MLASmart Define. "overcrowded thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/overcrowded/thesaurus/synonyms>