noxious

adjective6 collocationsAvg. frequency: 6.8

Gas or vapor that is harmful or unpleasant to breathe in.

A type of gas that is poisonous or very harmful.

Refers to harmful or poisonous emissions, often from industrial processes or vehicles.

A plant that is considered harmful to the environment, agriculture, or livestock.

A material or chemical that is poisonous or causes harm.

An extremely unpleasant or harmful odor.