sun·​light | \ ˈsən-ˌlīt How to pronounce sunlight (audio) \

Definition of sunlight

: the light of the sun : sunshine

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Synonyms for sunlight


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Examples of sunlight in a Sentence

Sunlight streamed through the windows. let's raise the shades and let in some sunlight
Recent Examples on the Web Here’s how to build one: Dig a 3-foot-wide hole in soil that’s open to sunlight. Keith Mccafferty, Field & Stream, "The Ultimate Survival Guide to Finding and Purifying Water," 19 June 2020 During the daytime, ultraviolet radiation from sunlight also inactivates any viral particles carried inside them, a process that takes a few minutes. Megan Molteni, Wired, "What Minnesota’s Protests Are Revealing About Covid-19 Spread," 18 June 2020 Earth's polar green glow happens when electrons from space collide with our upper atmosphere, but the atmospheres of Earth and Mars both glow during the day and at night thanks to sunlight. Ashley Strickland, CNN, "Spacecraft captures 'green glow' of Mars," 16 June 2020 The green glow, or light, is a result of oxygen atoms interacting with the sunlight, researchers noted. Fox News, "Green glow discovered on Mars, study says," 16 June 2020 Afternoon heat and direct sunlight on Wednesday fueled the nearly 4,800-acre Bighorn Fire burning in the Coronado National Forest, officials said on Thursday. Alana Minkler, azcentral, "Arizona wildfires: Summerlike conditions fueling blazes; evacuations ordered for Bighorn Fire," 11 June 2020 When ultraviolet rays from sunlight strike your skin, the rays trigger vitamin D synthesis. USA Today, "Can vitamin D help with symptoms of COVID-19? Possibly, it's key to helping your immune system function," 9 June 2020 Display it in a safe spot indoors with plenty of sunlight. Kris Coronado, Washington Post, "An easy-to-make terrarium brings the outside in," 9 June 2020 Our own skin manufactures the compound when exposed to sunlight. James Hamblin, The Atlantic, "Paging Dr. Hamblin: Does Vitamin D Help Fight COVID-19?," 3 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sunlight.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sunlight

13th century, in the meaning defined above

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Time Traveler for sunlight

Time Traveler

The first known use of sunlight was in the 13th century

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Statistics for sunlight

Last Updated

26 Jun 2020

Cite this Entry

“Sunlight.” Dictionary, Merriam-Webster, Accessed 7 Jul. 2020.

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How to pronounce sunlight (audio)

English Language Learners Definition of sunlight

: the light of the sun


sun·​light | \ ˈsən-ˌlīt How to pronounce sunlight (audio) \

Kids Definition of sunlight

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