whiten

verb

whit·​en ˈ(h)wī-tᵊn How to pronounce whiten (audio)
whitened; whitening ˈ(h)wīt-niŋ How to pronounce whiten (audio)
-ᵊn-iŋ

transitive verb

: to make white or whiter
snow whitened the hills

intransitive verb

: to become white or whiter

Examples of whiten in a Sentence

His hair whitened as he aged. Bleach will whiten the linens. The new toothpaste whitens teeth.
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.
Plus, score savings on the ultra-popular Laneige Lip Sleeping Mask and these Crest teeth whitening strips. Isabel Garcia, People.com, 11 July 2025 Bleach can be used in laundry to help brighten and whiten clothing, fight tough stains, and sanitize. Kait Hanson, Southern Living, 26 May 2025 Luckily, the best teeth whitening strips can help lift discoloration and brighten your smile, with some claiming results in as little as 10 minutes. Iman Balagam, Vogue, 26 July 2025 In Matt’s case, his son asked for teeth whitening strips. Ryan Craig, Forbes.com, 25 July 2025 See All Example Sentences for whiten

Word History

Etymology

Middle English whitenen, from white white entry 1 + -nen -en entry 2

First Known Use

15th century, in the meaning defined at transitive sense

Time Traveler
The first known use of whiten was in the 15th century

Cite this Entry

“Whiten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whiten. Accessed 25 Aug. 2025.

Kids Definition

whiten

verb
whit·​en ˈhwīt-ᵊn How to pronounce whiten (audio)
ˈwīt-
whitened; whitening -ᵊn-iŋ How to pronounce whiten (audio)
-niŋ
: to make or become white or whiter
whitener
-nər
-ᵊn-ər
noun

More from Merriam-Webster on whiten

Last Updated: - Updated example sentences
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