Entry 1 sense Webster, 1913 Squalid /(skwŏl"ĭd)/ · Squal·id · IPA /ˈskwɒlɪd/ 01 a. Dirty through neglect; foul; filthy; extremely dirty. 1. Dirty through neglect; foul; filthy; extremely dirty. “Uncombed his locks, and squalid his attire.” — Dryden. “Those squalid dens, which are the reproach of large capitals.” — Macaulay.