toothbrush

noun

tooth·​brush ˈtüth-ˌbrəsh 

: a brush for cleaning the teeth

Examples of toothbrush in a Sentence

Recent Examples on the Web

Simply apply with a cotton swab or old toothbrush to remedy those sticky, squeaky hinges. — Emily Hayes, Martha Stewart, 17 Sep. 2026

Dyson And just for the record, Dyson isn't the only company to come up with the idea of putting a camera in a toothbrush. — Maryna Holovnova, New Atlas, 16 Sep. 2026

Nobody wants their toothbrush bristles touching dirty surfaces or falling into unsanitary places. — Katelyn Squiers, Better Homes & Gardens, 16 Sep. 2026

Quip Sonic Toothbrush $38 at Amazon An electric toothbrush has also become a no-go item for me. — Carin Ryan, Travel + Leisure, 15 Sep. 2026

Word History

First Known Use

1690, in the meaning defined above

Kids Definition

toothbrush

noun

tooth·​brush ˈtüth-ˌbrəsh 

: a brush for cleaning the teeth

Medical Definition

toothbrush

noun

tooth·​brush -ˌbrəsh 

: a brush for cleaning the teeth