mouth·​wash | \ˈmau̇th-ˌwȯsh, -ˌwäsh\

Definition of mouthwash 

: a usually antiseptic liquid preparation for cleaning the mouth and teeth or freshening the breath

Examples of mouthwash in a Sentence

Recent Examples on the Web

The authors noted that it can be caused by poor oral hygiene, use of tobacco or irritating mouthwashes and antibiotic agents. Alexandria Hein, Fox News, "Patient develops 'black hairy tongue' from medication," 7 Sep. 2018 If that's the case, your dentist can prescribe an artificial saliva mouthwash to help fix the problem. Samantha Lefave, Redbook, "Why You Should Never Ignore Sweet-Smelling Urine (or These Other Body Odors)," 3 Aug. 2018 That may explain your success with this unorthodox use of mouthwash. Houston Chronicle, "Old wives’ remedy helped arthritis pain," 1 July 2018 Researchers looked at mouthwash samples from the participants, about 25 percent of whom identified as non-drinkers, 59 percent as moderate drinkers and 15 percent as heavy drinkers. Jason Lemon, ajc, "Heavy drinking may increase 'bad' bacteria in your mouth, study finds," 30 Apr. 2018 Therapeutic mouthwash is available by prescription and over the counter. Lindsey Lanquist, SELF, "Your Tongue Is Probably Filthy, Here’s How to Clean It," 18 Mar. 2018 Plus there are a lot of dangerous products in there — mouthwash, medicine, razors., "Fixer Upper's Clint Harp on the 5 Places You Must Babyproof — and the Surprising Spot Most Parents Forget," 6 July 2018 Avoiding acidic and spicy foods and using a mouthwash of ¼ teaspoon salt with one cup of water can also help ease your symptoms, Chirino says. Korin Miller, SELF, "11 Common Chemotherapy Side Effects, Plus How to Ease Them," 18 June 2018 The latest poll from Hyatt suggests guests don't pack their razors, toothbrushes and mouthwash. Christopher Elliott, USA TODAY, "Road trip essentials: Clean utensils and a deck of cards?," 16 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mouthwash.' 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 mouthwash

1840, in the meaning defined above

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Statistics for mouthwash

Last Updated

30 Nov 2018

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Time Traveler for mouthwash

The first known use of mouthwash was in 1840

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English Language Learners Definition of mouthwash

: a liquid that is used to clean your mouth and teeth and to make your breath smell better


mouth·​wash | \ˈmau̇th-ˌwȯsh, -ˌwäsh \

Medical Definition of mouthwash 

: a liquid preparation (as an antiseptic solution) for cleansing the mouth and teeth

called also collutorium

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More from Merriam-Webster on mouthwash

Rhyming Dictionary: Words that rhyme with mouthwash

Spanish Central: Translation of mouthwash

Nglish: Translation of mouthwash for Spanish Speakers

Comments on mouthwash

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to make faulty or ineffective

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