Definitions

1. adjective

having a foul or unpleasant smell; of or relating to a noxious or disease-carrying atmosphere

“The doctor warned of a miasmic swamp environment that could cause health problems.”

2. noun

a foul or unpleasant smell, especially one that is thought to be disease-carrying

“The miasmic air hung over the city for days after the fire.”

3. noun

an atmosphere or influence that is thought to be unwholesome or corrupting

“The politician’s miasma of scandal ruined his reputation.”