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
Perhaps second only to getting sunburned through your favorite white dress, the greatest casualty of summer fashion is the aches and pains brought on by your cutest but least supportive shoes. Annie Blackman, InStyle, 4 July 2026 Bear in mind, however, that some things aren’t worth the risk, such as getting sunburned after slathering on old sunscreen or developing a rash from a skin serum that’s gone bad. Mary Cornetta, Better Homes & Gardens, 19 June 2026
Noun
When temperatures soar and rain is absent from the forecast, your fruit trees may suffer from excessive water loss, sunburn on the leaves, and stunted growth, all of which can disrupt the likelihood of future harvests. Martha Stewart, 2 July 2026 From sunburn complications to being on the receiving end of a Whitney Duncan diatribe, Cochran went through the reality TV wringer twice and lived to tell the tale. Dalton Ross, Entertainment Weekly, 2 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 10 Jul. 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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