morning breath


Definition of morning breath

: halitosis upon awakening from sleep that is caused by the buildup of bacteria in the mouth from decreased saliva production

Examples of morning breath in a Sentence

Recent Examples on the Web Trump’s family are a far departure from the authentic intimacy the Obama family revealed (think Michelle talking about Barack’s morning breath). Natalie Gontcharova,, "For The Trumps, “Father” & “Husband” Are Indistinguishable From “Boss”," 26 Aug. 2020 Few things are as immediate of a mood killer as coffee-and-Mountain-House-Curry morning breath. Joe Jackson, Outside Online, "Gear to Get Your S.O. Hooked on Hiking," 23 Apr. 2018 These same gases also contribute to the stink of morning breath. Sam Kean, Slate Magazine, "Lessons on Flatulence From a Fart Artist," 24 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'morning breath.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of morning breath

1968, in the meaning defined above

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Time Traveler for morning breath

Time Traveler

The first known use of morning breath was in 1968

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Cite this Entry

“Morning breath.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2021.

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More Definitions for morning breath

morning breath

morn·​ing breath | \ ˈmȯr-niŋ- How to pronounce morning breath (audio) \

Medical Definition of morning breath

: halitosis upon awakening from sleep that is caused by the buildup of bacteria in the mouth due to decreased saliva production

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