sunscreen

noun

sun·​screen ˈsən-ˌskrēn How to pronounce sunscreen (audio)
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
sunscreening adjective

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.
The idea is to shift sunscreen from a once-in-the-morning habit into something more informed and responsive – adjusting reminders and guidance around actual exposure, skin profile, and daily behavior. New Atlas, 16 June 2026 Sunglasses, hats recommended for sun protection AHN ophthalmologists say many people remember sunscreen but often forget eye protection. Gabby Sartori, USA Today, 16 June 2026 Use sunscreen, too, to protect against skin damage. Miami Herald Staff Report, Miami Herald, 16 June 2026 In 2019, scientists from the FDA found that these sunscreens’ ingredients can stay in the body at unsafe levels after just one day of use. Devika Rao, TheWeek, 15 June 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

Browse Nearby Words

Cite this Entry

“Sunscreen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sunscreen. Accessed 17 Jun. 2026.

Kids Definition

sunscreen

noun
sun·​screen -ˌskrēn How to pronounce sunscreen (audio)
: a preparation (as a lotion) applied to the skin to prevent sunburn (as by chemically absorbing the sun's rays)

Medical Definition

sunscreen

noun
sun·​screen -ˌskrēn How to pronounce sunscreen (audio)
: 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

More from Merriam-Webster on sunscreen

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster