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.
Right now the retailer is taking 35% off Crest 3D Whitestrips, a dentist-recommended, safe for enamel teeth-whitening pick. Alanna Martine Kilkeary, Glamour, 8 Oct. 2025 These popular teeth whitening strips from Amazon, which have earned more than 34,700 five-star ratings — and a rave review from our shopping editor. Averi Baudler, PEOPLE, 7 Oct. 2025 From whitening toothpaste to bestselling blow dryers, these deals are worth a spot in your cart. Caitlyn Martyn May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 7 Oct. 2025 This isn’t your average at-home teeth whitening kit. Jessie Quinn, StyleCaster, 7 Oct. 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 10 Oct. 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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