sanitary

US /ˈsæn.ə.ter.i/
UK /ˈsæn.ə.ter.i/
"sanitary" picture
1.

relating to the conditions that affect health and hygiene, especially the provision of clean drinking water and adequate sewage disposal

:
The city improved its sanitary conditions by upgrading the water treatment plant.
Good sanitary practices are essential to prevent the spread of disease.
2.

clean and not harmful to health

:
Always ensure your hands are sanitary before preparing food.
The hospital maintains a highly sanitary environment.