transitive verb

: to burn or discolor by the sun

sunburn

2 of 2

noun

: inflammation of the skin caused by overexposure to ultraviolet radiation especially from sunlight

Examples of sunburn in a Sentence

Noun He has a bad sunburn. Use sunscreen to prevent sunburn.
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.
Verb
Waddles was dehydrated and near death, with reporting that the pig was visibly sunburned along its backside, along with open sores. Moná Thomas, PEOPLE, 27 July 2026 Got sunburned during a game (or while spending time at the beach)? Kayla Hayempour, NBC news, 10 July 2026
Noun
Your risk increases with fair skin or a history of severe sunburns. Brandi Jones, Verywell Health, 31 July 2026 This is essentially a sunburn, and in most cases, does not actually impact the plant. Heather Bien, The Spruce, 26 July 2026 See All Example Sentences for sunburn

Word History

Etymology

Verb

back-formation from sunburned, from sun + burned

First Known Use

Verb

1530, in the meaning defined at transitive sense

Noun

1584, in the meaning defined above

Time Traveler
The first known use of sunburn was in 1530

Browse Nearby Words

Cite this Entry

“Sunburn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sunburn. Accessed 7 Aug. 2026.

Kids Definition

sunburn

1 of 2 verb
1
: to burn or discolor by the sun
2
: to become sunburned

sunburn

2 of 2 noun
: a sore red state of the skin caused by too much sunlight

Medical Definition

sunburn

1 of 2 transitive verb
: to affect with sunburn
sunburned skin

sunburn

2 of 2 noun
: inflammation of the skin caused by overexposure to ultraviolet radiation especially from sunlight

called also erythema solare

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