unsanitary       
adjective uk/ˌʌnˈsæn.ɪ.tər.i/ us/ˌʌnˈsæn.ə.ter.i/ (UK also insanitary)
 不卫生的;不干净的
dirty or unhealthy and therefore likely to cause disease
  unsanitary toilets 不洁净的洗手间 
 unsanitary living conditions 不卫生的居住条件 
 Synonym: unhealthy
Opposites: healthful healthy (HEALTH)sanitary