ADJ-GRADED 不洁的;不卫生的;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. 不洁的;不卫生的;有害健康的 [formal]
...the insanitary conditions of slums.
贫民窟极不卫生的环境
British prisons remain disgracefully crowded and insanitary.