radiate

verb
ra·​di·​ate | \ ˈrā-dē-ˌāt How to pronounce radiate (audio) \
radiated; radiating

Definition of radiate

 (Entry 1 of 2)

intransitive verb

1 : to proceed in a direct line from or toward a center
2 : to send out rays : shine brightly
3a : to issue in or as if in rays
b : to evolve by adaptive radiation

transitive verb

1 : to send out in or as if in rays
3 : to spread abroad or around as if from a center

radiate

adjective
ra·​di·​ate | \ ˈrā-dē-ət How to pronounce radiate (audio) , -ˌāt \

Definition of radiate (Entry 2 of 2)

: having rays or radial parts: such as
a : having ray flowers
b : characterized by radial symmetry : radially symmetrical

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Other Words from radiate

Adjective

radiately adverb

Synonyms & Antonyms for radiate

Synonyms: Verb

Antonyms: Verb

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Examples of radiate in a Sentence

Verb The pain was radiating down my arm. The sun radiates heat and light. Heat radiates from the sun.
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Recent Examples on the Web: Verb The bag in your hand will radiate an irresistible steamy invitation to tear into at least one tortilla on your drive home. Paul Stephen, San Antonio Express-News, "The best tortillas in San Antonio: The best white corn, yellow corn, flour, whole wheat and tortilla chips from tortillerías," 5 May 2021 Just like the 3G and 4G cell phone towers that came before, 5G base stations radiate electromagnetic energy. Courtney Linder, Popular Mechanics, "We Could Really Have a Wireless Power Grid That Runs on 5G," 30 Apr. 2021 Padded sunbursts radiate from above each bed; the bathrooms are lined with travertine, with spacious showers stocked with Aesop products. Travel + Leisure Staff, Travel + Leisure, "It List 2020: Our Editors’ Picks of the Best New Hotels in the World," 19 Feb. 2020 How do those beauty girls get their cheekbones to radiate such a woke-up-like-this glow? Kaitlyn Yarborough, Southern Living, "I Tried the Dew Drops Beauty Girls Are Obsessed With, And My Dry Skin Has Never Looked More Glowy," 7 Apr. 2021 Others radiate neediness, raw nerves, boredom, creativity, pathos, helplessness, or the splendor of a new cultural world. Jerry Saltz, Vulture, "The Detonations of Alice Neel," 6 Apr. 2021 This means the laptop speakers would radiate the sound in a way that’s clearly audible around a user’s ears, while ensuring near silence close by, say where the user’s roommate is reading. Dan Weil, WSJ, "Let’s Redesign the Laptop for a Work-From-Home Era," 9 Mar. 2021 Even in bed, in spite of the down comforter, the sheets radiate no warmth whatsoever. Jhumpa Lahiri, The New Yorker, "Casting Shadows," 8 Feb. 2021 Among the design elements that radiate a relaxed elegance: the onyx wall that wraps around the rear of the bar and the contemporary but subdued lighting elements. Jeanine Barone, Forbes, "The New Orleans French Quarter Has A New Hotel That’s Both Stylish And Historically Significant," 28 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radiate.' 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 radiate

Verb

circa 1619, in the meaning defined at intransitive sense 1

Adjective

1668, in the meaning defined above

History and Etymology for radiate

Verb

Latin radiatus, past participle of radiare, from radius ray

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Time Traveler for radiate

Time Traveler

The first known use of radiate was circa 1619

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Statistics for radiate

Last Updated

11 May 2021

Cite this Entry

“Radiate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiate. Accessed 18 May. 2021.

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More Definitions for radiate

radiate

verb

English Language Learners Definition of radiate

: to go out in a direct line from a central point or area
: to move in a specified direction from a source
: to send out (something, such as heat or energy) in rays

radiate

verb
ra·​di·​ate | \ ˈrā-dē-ˌāt How to pronounce radiate (audio) \
radiated; radiating

Kids Definition of radiate

1 : to send out rays : shine The sun was radiating in the sky.
2 : to come forth in the form of rays Light radiates from shining bodies.
3 : to go out in a direct line from a center Spokes radiate from the center of the wheel.
4 : to spread around from or as if from a center Word radiated that Royce McNabb had sent Ina-Rae Gage a valentine.— Richard Peck, A Year Down Yonder
5 : to show very clearly She radiates confidence.

radiate

verb
ra·​di·​ate | \ ˈrād-ē-ˌāt How to pronounce radiate (audio) \
radiated; radiating

Medical Definition of radiate

 (Entry 1 of 2)

intransitive verb

: to issue in or as if in rays : spread from a central point back pain radiating to both upper legs— Tony Miksanek

radiate

adjective
ra·​di·​ate | \ ˈrād-ē-ət, -ē-ˌāt How to pronounce radiate (audio) \

Medical Definition of radiate (Entry 2 of 2)

1 : having rays or radial parts
2 : characterized by radial symmetry : radially symmetrical

Comments on radiate

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