1
: a screen to protect against sun
2
: a preparation (such as a lotion) applied to the skin to prevent sunburn (as by chemically absorbing ultraviolet radiation)
also : its active ingredient (as benzophenone) compare sunblock

Examples of sunscreen 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.
Shade, hats, sunscreen and plenty of drinking water should be part of your eclipse plan. — Jamie Carter, Space.com, 3 Oct. 2026 C’mon, isn’t the prospect of a scar on your nose another good reason to reach for sunscreen daily? — Elizabeth Siegel, Allure, 2 Oct. 2026 Hats, comfortable walking shoes and sunscreen are also advised. — Lilit Marcus, CNN Money, 1 Oct. 2026 For longer outdoor stints, some shade, a hat, and a mineral sunscreen can help handle it. — Miami Herald, 1 Oct. 2026 See All Example Sentences for sunscreen

Word History

First Known Use

1738, in the meaning defined at sense 1

Time Traveler
The first known use of sunscreen was in 1738

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Cite this Entry

“Sunscreen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sunscreen. Accessed 9 Oct. 2026.

Kids Definition

sunscreen

noun
: a preparation (as a lotion) applied to the skin to prevent sunburn (as by chemically absorbing the sun's rays)

Medical Definition

sunscreen

noun
: a preparation (as a lotion) applied to the skin to prevent sunburn (as by chemically absorbing ultraviolet radiation)
also : its active ingredient (as benzophenone) compare sunblock
sunscreening adjective
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