toothbrush

noun

tooth·​brush ˈtüth-ˌbrəsh How to pronounce toothbrush (audio)
: a brush for cleaning the teeth

Examples of toothbrush in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Dip a soft-bristle toothbrush in the solution and gently scrub the seal. Mary Marlowe Leverette, The Spruce, 10 Jan. 2026 And finally, follow the American Dental Association’s guidelines1 of when to replace toothbrushes, which is every three to four months for adults (or, if the bristles become frayed), and more often for children. Elizabeth Brownfield, Southern Living, 7 Jan. 2026 Not a bad idea to also keep a spare toothbrush handy, just in case. Abbey Hudetz, Travel + Leisure, 4 Jan. 2026 Experts also recommend keeping toothbrushes as far away from the toilet as possible. Mary Cornetta, Better Homes & Gardens, 4 Jan. 2026 See All Example Sentences for toothbrush

Word History

First Known Use

1690, in the meaning defined above

Time Traveler
The first known use of toothbrush was in 1690

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Cite this Entry

“Toothbrush.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/toothbrush. Accessed 13 Jan. 2026.

Kids Definition

toothbrush

noun
tooth·​brush ˈtüth-ˌbrəsh How to pronounce toothbrush (audio)
: a brush for cleaning the teeth

Medical Definition

toothbrush

noun
tooth·​brush -ˌbrəsh How to pronounce toothbrush (audio)
: a brush for cleaning the teeth

More from Merriam-Webster on toothbrush

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