ADJ-GRADED 不潔的;不衛生的;有害健康的 If something such as a place is insanitary, it is so dirty that it is likely to have a bad effect on people's health. 不潔的;不衛生的;有害健康的 [formal]
...the insanitary conditions of slums.
貧民窟極不衛生的環境
British prisons remain disgracefully crowded and insanitary.