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.
Use a soft brush or an old toothbrush to scrub away any stubborn residue. Daley Quinn, Southern Living, 8 Feb. 2026 And because toothbrushes can harbor bacteria, Hoss recommended regularly cleaning them ideally with a UV sanitizing system, which helps reduce microbial buildup between uses. Andrea Kane, CNN Money, 5 Feb. 2026 Remove lint by hand, rinse under warm water, and scrub the screen with a toothbrush. Louise Parks, Martha Stewart, 4 Feb. 2026 That means having anything important, such as a toothbrush, medication, and a fresh set of clothes, on you at all times. Jill Krasny, Travel + Leisure, 30 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 10 Feb. 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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