What does "overcrowding" mean?

The situation where a space holds more occupants than it can comfortably accommodate.

What is a synonym for "overcrowding"?

Common synonyms include: congestion, cram, crowding, density, jam, over-crowding.

noun, verb

noun, verb ·4 syllables ·Rare ·Advanced level

Noun

1
The situation where a space holds more occupants than it can comfortably accommodate. countable, uncountable
"[…] there are sublettings, overcrowdings of lands, clearances, and emigrations going on; and want of employment, with consequent destitution and wretchedness is the complaint of the majority of the inhabitants."
2
excessive crowding wordnet

Verb

1
present participle and gerund of overcrowd form-of, gerund, participle, present

"We need to address the overcrowding among the refugees immediately otherwise more will die as summer approaches."