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
Forego sterile minimalism and use this $10 glass bottle to house everyday necessities like vitamins and mouthwash to be visible and within arms’ reach.
—
Stephanie Osmanski, Better Homes & Gardens, 10 Feb. 2026
The alcohol-free mouthwash is formulated with cetylpyridinium chloride and is designed to target plaque bacteria.
—Michele Laufik, Martha Stewart, 2 Feb. 2026
In late December, the Parodontax Active Gum Health mouthwash was pulled from shelves due to missing or illegible lot codes and expiration dates.
—Jenna Anderson, Health, 30 Jan. 2026
Use the three drawers to hold everything from hair products and brushes to mouthwash and makeup, then store larger items like spare towels or bathroom cleaning products on the spacious shelves.
—Caley Sturgill, Southern Living, 25 Jan. 2026
See All Example Sentences for mouthwash
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Stephanie Osmanski, Better Homes & Gardens, 10 Feb. 2026
The alcohol-free mouthwash is formulated with cetylpyridinium chloride and is designed to target plaque bacteria.
—Michele Laufik, Martha Stewart, 2 Feb. 2026
In late December, the Parodontax Active Gum Health mouthwash was pulled from shelves due to missing or illegible lot codes and expiration dates.
—Jenna Anderson, Health, 30 Jan. 2026
Use the three drawers to hold everything from hair products and brushes to mouthwash and makeup, then store larger items like spare towels or bathroom cleaning products on the spacious shelves.
—Caley Sturgill, Southern Living, 25 Jan. 2026
See All Example Sentences for mouthwash
Cite this Entry
“Mouthwash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mouthwash. Accessed 16 Feb. 2026.
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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