- Squalor is defined as the condition of being filthy and wretched.
An example of squalor is a person living in an abandoned house filled with garbage and without water or electricity.
squalor definition by Webster's New World
Origin: Classical Latin foulness, akin to squalere, to be filthy
squalor definition by American Heritage Dictionary
Origin: Latin squālor, from squālēre, to be filthy; see squalid.