Squalor (noun)

1. Extreme filth, dirtiness, and poverty, often associated with overcrowding and neglect.
2. The state or quality of being squalid; filthiness and misery.
3. The condition of being extremely dirty and unpleasant, especially as a result of neglect.

Origin:

From the latin word "squalus" which means "dirty" or "filthy", it refers to the state of being dirty, filthy and in poor condition.

Examples:

1. The city was plagued by squalor and poverty.
2. The squalor of the slums was a health hazard.
3. The squalor of the refugee camp was unacceptable.
4. The family lived in squalor, with no running water or electricity.
5. The area was known for its squalor and crime.