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
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Some swear by using a toothbrush to brush away the threads. Staff Author, Martha Stewart, 29 May 2026 The Philadelphia Phillies slugger squeezed toothpaste straight from the tube into his mouth, rather than applying it first onto his toothbrush. CBS News, 28 May 2026 In the bathroom, replace your toothbrush and clean your shower curtain every three months, and toss expired medications. Sherri Gordon, Health, 25 May 2026 Remove the bag, scrub gently with a toothbrush, and rinse. Daley Quinn, Southern Living, 23 May 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 4 Jun. 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

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