unhygienic
Definitions
Not conducive to good health; unsanitary.
Lacking cleanliness and therefore likely to cause disease or infection.
Examples
The restaurant was shut down by health inspectors due to its unhygienic kitchen conditions.
It is considered unhygienic to share personal items like toothbrushes or towels.
Synonyms
dirty unsanitary filthy contaminated polluted foul germ-ridden