mouth breather

noun

mouth breath·​er -ˌbrē-t͟hər How to pronounce mouth breather (audio)
: a person who breathes mostly through the mouth rather than the nose
He suffered from a deviated septum and was a chronic mouth breather.Michael Chabon, The New Yorker

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Cite this Entry

“Mouth breather.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/mouth%20breather. Accessed 19 Apr. 2024.

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