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.
In addition to rinsing your toothbrush thoroughly after use to remove any remaining bacteria and debris, experts suggest replacing it every three to four months. Cristina Mutchler, Verywell Health, 4 Sep. 2025 An old toothbrush works well to clean small feeding ports and components. Mary Marlowe Leverette, Southern Living, 2 Sep. 2025 As a top electric toothbrush maker, Philips Sonicare has expanded its line in recent years to include many different models. Bestreviews, Mercury News, 29 Aug. 2025 What if the key to ending homelessness wasn’t just a roof—but a sofa, a fridge, a toothbrush? Afdhel Aziz, Forbes.com, 28 Aug. 2025 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 11 Sep. 2025.

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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