slum
/slʌm/Definitions
1. noun
A poor and overcrowded urban area, typically with poor housing and infrastructure.
“The city’s planners were working to revitalize the old neighborhood, which had long been a notorious slum.”
2. verb
To live or reside in a slum.
“Many people slummed it in the city’s poorer districts, rather than paying high rents in the affluent areas.”