morning breath
noun
: 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
If mouth breathing could be causing bad morning breath, Dr. Sulitzer recommends investing in a new toothbrush that can help remove all food and residue buildup from your teeth and gums, as well as a water flosser to thoroughly clean the gums and rehydrate your mouth.
—
Jaclyn Smock, Allure, 10 Feb. 2023
Your morning breath sends your partner running.
—Samantha Lefave, Redbook, 3 Aug. 2018
No more musty morning breath after sipping on Super Coffee Iced Keto coffee first thing in the morning Protein Coffee Co Nutrition Shake Wake up and fuel your body with Protein Coffee Co Nutrition Shake!
—Amber Smith, Discover Magazine, 28 Feb. 2023
But unlike very temporary morning breath and mussed hair, there can be a long-lasting impact on our skin's smoothness.
—Marci Robin, Allure, 12 Apr. 2022
But mind reading causes problems for the couple when Alexa orders mouthwash because of Johansson’s morning breath and activates a blender when Johansson doesn’t want to hear Jost talk about a spray tan.
—Mae Anderson, Anchorage Daily News, 11 Feb. 2022
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, refinery29.com, 26 Aug. 2020
Few things are as immediate of a mood killer as coffee-and-Mountain-House-Curry morning breath.
—Joe Jackson, Outside Online, 23 Apr. 2018
These same gases also contribute to the stink of morning breath.
—Sam Kean, Slate Magazine, 24 July 2017
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Jaclyn Smock, Allure, 10 Feb. 2023
Your morning breath sends your partner running.
—Samantha Lefave, Redbook, 3 Aug. 2018
No more musty morning breath after sipping on Super Coffee Iced Keto coffee first thing in the morning Protein Coffee Co Nutrition Shake Wake up and fuel your body with Protein Coffee Co Nutrition Shake!
—Amber Smith, Discover Magazine, 28 Feb. 2023
But unlike very temporary morning breath and mussed hair, there can be a long-lasting impact on our skin's smoothness.
—Marci Robin, Allure, 12 Apr. 2022
But mind reading causes problems for the couple when Alexa orders mouthwash because of Johansson’s morning breath and activates a blender when Johansson doesn’t want to hear Jost talk about a spray tan.
—Mae Anderson, Anchorage Daily News, 11 Feb. 2022
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, refinery29.com, 26 Aug. 2020
Few things are as immediate of a mood killer as coffee-and-Mountain-House-Curry morning breath.
—Joe Jackson, Outside Online, 23 Apr. 2018
These same gases also contribute to the stink of morning breath.
—Sam Kean, Slate Magazine, 24 July 2017
Cite this Entry
“Morning breath.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/morning%20breath. Accessed 19 Jul. 2025.
Copy CitationMedical Definition
morning breath
noun
morn·ing breath
ˈmȯr-niŋ- 
: 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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