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
Remember that mouthwash isn't meant to be swallowed.
—
Helen Carefoot, Verywell Health, 13 June 2025
There are a few different whitening options available over the counter, including strips, gels with LED trays, mouthwashes, and toothpastes too.
—Daley Quinn, Glamour, 11 June 2025
Prescription mouthwashes: These can help with pain from an mpox rash in your mouth.
—Francisco J. Rivera Rosario, Health, 7 June 2025
Like DeSantis, state legislators in support of the prohibition called it a matter of personal choice and pointed out that most toothpastes and many mouthwashes contain fluoride.
—Martin E. Comas, The Orlando Sentinel, 6 May 2025
See All Example Sentences for mouthwash
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Helen Carefoot, Verywell Health, 13 June 2025
There are a few different whitening options available over the counter, including strips, gels with LED trays, mouthwashes, and toothpastes too.
—Daley Quinn, Glamour, 11 June 2025
Prescription mouthwashes: These can help with pain from an mpox rash in your mouth.
—Francisco J. Rivera Rosario, Health, 7 June 2025
Like DeSantis, state legislators in support of the prohibition called it a matter of personal choice and pointed out that most toothpastes and many mouthwashes contain fluoride.
—Martin E. Comas, The Orlando Sentinel, 6 May 2025
See All Example Sentences for mouthwash
Cite this Entry
“Mouthwash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mouthwash. Accessed 20 Jun. 2025.
Copy CitationKids 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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