ra·​di·​ant | \ ˈrā-dē-ənt How to pronounce radiant (audio) \

Definition of radiant

 (Entry 1 of 2)

1a : radiating rays or reflecting beams of light
b : vividly bright and shining : glowing
2 : marked by or expressive of love, confidence, or happiness a radiant smile
3a : emitted or transmitted by radiation
b : emitting or relating to radiant heat



Definition of radiant (Entry 2 of 2)

: something that radiates: such as
a : a point in the heavens at which the visible paths of meteors appear to meet when traced backward
b : the part of a gas or electric heater that becomes incandescent

Keep scrolling for more

Other Words from radiant


radiantly adverb

Synonyms for radiant

Synonyms: Adjective

Visit the Thesaurus for More 

Choose the Right Synonym for radiant


bright, brilliant, radiant, luminous, lustrous mean shining or glowing with light. bright implies emitting or reflecting a high degree of light. brilliant implies intense often sparkling brightness. radiant stresses the emission or seeming emission of rays of light. luminous implies emission of steady, suffused, glowing light by reflection or in surrounding darkness. lustrous stresses an even, rich light from a surface that reflects brightly without glittering.

Examples of radiant in a Sentence

Adjective She had a radiant inner glow. She looked radiant at her wedding.
Recent Examples on the Web: Adjective In one, the couple holds hands as William gazes at Kate, who is radiant in a blue wrap dress. Stephanie Petit, PEOPLE.com, "Kate Middleton and Prince William Share Rare Video of Life at Home with George, Charlotte and Louis," 29 Apr. 2021 Zendaya looked radiant in a bright yellow dress from Valentino Haute Couture, with wavy long locks reminiscent of ‘70s Cher. Sarah Boyd, Forbes, "The 5 Biggest Trends On The 2021 Oscars Red Carpet," 27 Apr. 2021 She’s a byproduct of an increasingly global music culture — a radiant spark between colliding worlds. Brennan Kilbane, Allure, "CL Would Like to Reintroduce Herself," 16 Apr. 2021 The typical results: smoother and more radiant skin. Roxanne Adamiyatt, Town & Country, "The Difference Between a Retinol and Glycolic Acid," 15 Apr. 2021 No longer was my face dry and dull; instead, my complexion was supple, radiant, and hydrated even on the harshest winter day. Irina Grechko, refinery29.com, "An Ode To The $214 Face Oil That Taught Me My Skin Is Worth It," 8 Apr. 2021 Her first love was the radiant soprano Renata Tebaldi, then in her glory. New York Times, "Opera’s Biggest Fan Leaves Behind a Sprawling Time Capsule," 23 Apr. 2021 Three upstairs bedrooms with deep closets share a newer bath with radiant-heated Carrera marble floor. BostonGlobe.com, "For sale: Homes on Magnolia Road, in Swampscott and Milton," 22 Apr. 2021 Body care everyone could use Looking to feel radiant inside and out? Sarah Vincelette, USA TODAY, "14 women-owned health and wellness brands to shop now," 10 Mar. 2021 Recent Examples on the Web: Noun That’s because the radiant, the area in the sky where the meteors appear, has varying visibility from different latitudes. Katherine Rosenberg-douglas, chicagotribune.com, "Meteor shower visibility should peak early Wednesday. Here are 5 ways Chicagoans can maximize chances of ‘catching’ the show.," 4 May 2021 Their radiant – the point in the sky from which the Lyrids appear to come from – is the constellation Lyra, the harp, particularly the star Vega, the brightest star in the constellation. Leada Gore | Lgore@al.com, al, "Lyrid Meteor Shower 2021: Best times, tips to see Earth Day shooting stars," 21 Apr. 2021 Lady Gaga looking radiant in a lacy wedding gown, filming the wedding of her character, Patrizia Reggiani, to Adam Driver's Maurizio Gucci. Emily Dixon, Marie Claire, "Lady Gaga Looks Stunning in a Wedding Dress While Filming 'House of Gucci'," 13 Apr. 2021 The warmer months are always the best time to show off radiant, dewy skin. Bianca Salonga, Forbes, "Get Ready For Spring And Summer With The Safest, Gentlest At-Home Skin Peels," 8 Apr. 2021 The point at which the meteors originate, called the radiant, will be in the constellation Lyra. Nancy Clanton, ajc, "Lyrid meteor shower 2021: When, where to see it," 12 Apr. 2021 This past week, from somewhere sun-drenched and stunning came a radiant, kaleidoscopic look courtesy of Winnie Harlow. Liana Satenstein, Vogue, "The Best Fashion Instagrams of the Week: Kylie Jenner, Winnie Harlow, Serena Williams, and More," 13 Mar. 2021 The Age Perfect Serum Foundation contains SPF and leaves the skin radiant without settling into lines. Blake Newby, Essence, "The Drugstore Makeup Brand Responsible For Viola Davis's Stunning Golden Globes Makeup Look," 1 Mar. 2021 Dermatologically tested, this cream also helps to increase luminosity and hydrates the skin up to 72 hours after use, while defending the skin from cell damage, leaving the face looking radiant and renewed. Joseph Deacetis, Forbes, "Skincare Products Formulated To Be An Essential Part Of Her Daily Routine," 28 Feb. 2021

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

See More

First Known Use of radiant


15th century, in the meaning defined at sense 1a


circa 1741, in the meaning defined above

Keep scrolling for more

Learn More about radiant

Time Traveler for radiant

Time Traveler

The first known use of radiant was in the 15th century

See more words from the same century

Statistics for radiant

Last Updated

9 May 2021

Cite this Entry

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

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for radiant



English Language Learners Definition of radiant

: having or showing an attractive quality of happiness, love, health, etc.
: bright and shining
technical : sent out from something in rays or waves that you cannot see


ra·​di·​ant | \ ˈrā-dē-ənt How to pronounce radiant (audio) \

Kids Definition of radiant

1 : giving out or reflecting rays of light the radiant sun
2 : glowing with love, confidence, or joy a radiant smile
3 : transmitted by radiation


ra·​di·​ant | \ ˈrād-ē-ənt How to pronounce radiant (audio) \

Medical Definition of radiant

1 : emitted or transmitted by radiation
2 : emitting or relating to radiant heat

Comments on radiant

What made you want to look up radiant? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Anagram puzzles meet word search.

Love words? Need even more definitions?

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