SQUALID Meaning of SQUALID in English adj. 1 filthy, repulsively dirty. 2 mean or poor in appearance. 3 wretched, sordid. squalidity n. squalidly adv. squalidness n.[ L squalidus f. squalere be rough or dirty ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012