undercrowding

English

Noun

undercrowding (uncountable)

1. The action or event of a space having too few occupants.
   • 1915, City Club of Chicago, The City Club Bulletin - Volumes 8-9, page 183:

     Next to overcrowding one might almost say that the worst financial evil in the city is undercrowding, that is, when the undercrowding is taking place without a plan.

Verb

undercrowding

1. present participle and gerund of undercrowd