1. An environment or space that is harmful to health due to poor conditions, contamination, inadequate sanitation, or hazardous substances
The factory workers were exposed to an unhealthy environment with toxic fumes.
Os trabalhadores da fábrica foram expostos a um ambiente insalubre com vapores tóxicos.
2. A place or setting with poor hygiene, inadequate ventilation, or unsafe working conditions
The old warehouse became an unhealthy environment after years of neglect.
O armazém antigo tornou-se um ambiente insalubre após anos de abandono.