insalubrious
definition
unhealthy or unwholesome often due to poor living conditions
example
The insalubrious conditions of the slum made it a breeding ground for disease.
synonyms
unwholesomeunhealthyunfit
word origin — from Latin 'insalubris', meaning 'unwholesome; unhealthy', from 'in-' meaning 'not' and 'salubris' meaning 'healthful'