unwholesome
un-whole-some
adjective
Detrimental to physical, mental, or moral well-being; unhealthy or corrupting.
"Eating too much processed food is unwholesome."
Thesaurus
Synonyms: noisome, rich, unhealthful, morbid, offensive, sickening, loathsome, insalubrious, nauseating, unhealthy, queasy, nauseous
Antonyms: wholesome