What does mephitic mean?
Mephitic describes a smell, atmosphere, or substance that is intensely unpleasant and potentially dangerous. Its literal sense refers to a foul, offensive odor, as in mephitic fumes or a mephitic atmosphere. Because the word derives from a vocabulary associated with poisonous exhalations, it often carries a broader implication of contamination, disease, or decay. It is especially common in literary, historical, medical, and environmental writing, where the dramatic quality of the term is useful. In ordinary conversation, 'foul-smelling,' 'fetid,' or 'noxious' may be more appropriate. Mephitic can therefore describe either simply an offensive odor or an unwholesome environment whose smell signals something hazardous.
adjectiveFoul-smelling or unwholesome, especially with regard to an odor, vapor, or atmosphere. The word can also describe something that is poisonous or contaminated.
- Having a foul, offensive, or putrid smell.
- Unwholesome, poisonous, or dangerously contaminated, especially with respect to air, vapor, or an atmosphere.
"The old cellar was filled with a mephitic smell that made the investigators retreat."
"Mephitic fumes drifted up from the flooded basement."
"The novel describes the city's mephitic streets, where smoke and sewage hang in the air."
Mephitic turns an unpleasant odor into a literary warning: what you smell may be not merely foul, but dangerous.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does mephitic come from?
Mephitic comes from Latin mephiticus, derived from mephitis, meaning an offensive or poisonous odor. The Latin word was borrowed from Greek mēphitis, itself associated with foul or noxious smells. English usage developed in the context of describing foul odors, vapors, and atmospheres, and the word later became common in medical and sanitary writing about miasma and poisoning.
Related word forms
How mephitic is actually used
Chiefly literary, historical, or specialist. It is more formal and often more strongly suggestive of contamination or poison than the everyday word 'foul-smelling.'
Easily confused with mephitic
A miasma is a polluting or unhealthy atmosphere or influence, whereas mephitic is primarily an adjective describing a foul or poisonous smell.