✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

cacosmia

noun

ca·​cos·​mia kə-ˈkäs-mē-ə How to pronounce cacosmia (audio) ka- How to pronounce cacosmia (audio)
-ˈkäz-
: a hallucination of a disagreeable odor

Browse Nearby Words

Cite this Entry

“Cacosmia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cacosmia. Accessed 5 Dec. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!