1. SQUALId [skwol-id, skwaw-lid]
Adjective

2. DEFINITIONS OF SQUALID:
1.foul and repulsive, as from lack of care or  cleanliness; neglected and filthy. 2.wretched; miserable; degraded; sordid.

3. Synonyms:
 Unclean
Disheveled
Foul

4. Antonyms:
Bright
Clean
Clear

5. Used in a sentence:
1) Her professor wanted her to take up field work in an impoverished neighborhood so that she could get a firsthand perspective of the squalid conditions in which they lived.
2) He wanted to work hard and get into a good school so that he could get out of the squalid environment of his home.
3) I have never seen my friend blaming her squalid upbringing for her failures. She takes responsibility for her own actions.