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mouthwash
noun
mouth·wash
ˈmau̇th-ˌwȯsh
-ˌwäsh
: 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
This has led to its widespread addition to public water supplies—a practice known as water fluoridation—and its inclusion in dental products like toothpaste and mouthwash.
—
David Faris, Newsweek, 2 Feb. 2025
Talk to your dental care provider before adding mouthwash to your oral care routine.
—
Heather Jones, Verywell Health, 5 Jan. 2025
For even more protection, pair this toothpaste with its mouthwash mate.
—
Annie Blackman, Allure, 27 Dec. 2024
The toiletries were just as special and included Hermès soap, Le Labo shampoo and conditioner, Bulgari shower gel and lotion, and Aesop mouthwash.
—
Catherine Garcia, theweek, 20 Dec. 2024
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Word History
First Known Use
1840, in the meaning defined above
Dictionary Entries Near mouthwash
Cite this Entry
“Mouthwash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mouthwash. Accessed 8 Feb. 2025.
Kids Definition
mouthwash
noun
mouth·wash
ˈmau̇th-ˌwȯsh
-ˌwäsh
: a liquid that usually kills germs and is used to clean the mouth and teeth and freshen the breath
Medical Definition
mouthwash
noun
mouth·wash
ˈmau̇th-ˌwȯsh, -ˌwäsh
: a liquid preparation (as an antiseptic solution) for cleansing the mouth and teeth
called also collutorium
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