insalubrious (adjective)

1. The insalubrious environment of the abandoned castle added to the romantic atmosphere of their secret rendezvous.

2. According to Greek mythology, the insalubrious air of the Underworld was filled with toxic fumes that could harm the living.

3. The designer showcased a collection of insalubrious clothing, featuring materials that were harmful to the wearer's health.

4. The insalubrious conditions of the neglected building made it unfit for occupancy, despite its unique architectural design.