A heavily populated urban area characterized by substandard housing and squalor: grew up in a slum near downtown; lived in the slums by the river. intr.v. slummed, slum·ming, slums. To visit impoverished areas or squalid locales, especially out of curiosity or for amusement.

What does the word Slummy mean?

adjective. (of housing or residential areas) indicative of poverty. “a slummy part of town” Synonyms: poor. characterized by or indicating poverty.

What does it mean to be grotty?

chiefly British. : wretchedly shabby : of poor quality also : filthy, gross.