squalid
adjective uk/ˈskwɒl.ɪd/ us/ˈskwɑː.lɪd/
(DIRTY)
disapproving（地方常因缺钱）极其肮脏的，污秽的
(of places) extremely dirty and unpleasant, often because of lack of money
Many prisons, even today, are overcrowded and squalid places. 时至今日，许多监狱仍旧拥挤不堪，肮脏至极。
(IMMORAL)
（情形、活动）道德败坏的，堕落的，丑恶的，淫秽的
(of situations and activities) not moral; involving sex and drugs, etc. in an unpleasant way
It's the usual squalid rock star tale of drugs, sex, and overdoses. 那是常见的摇滚歌星堕落的故事——吸毒、纵欲、过量服用麻醉品。