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

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Other Words from radiant


radiantly adverb

Synonyms for radiant

Synonyms: Adjective

aglow, beaming, bright, glowing, sunny

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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


She had a radiant inner glow. She looked radiant at her wedding.

Recent Examples on the Web: Adjective

First up, the bride and groom arrived at the airport to massive crowds and were looking happy and radiant. Abby Gardner, Glamour, "See All the Celebrity Guests Arriving for Priyanka Chopra and Nick Jonas' Wedding Weekend," 29 Nov. 2018 And the Clarisonic Mia Smart 3-in-1 Sonic Facial Cleansing Brush is the perfect cleansing-slash-exfoliating-slash-face-firming tool for techies (also, for anyone who’s a fan of radiant skin). Allure, "The 5 Most Innovative Beauty Product Launches of 2019, According to Allure Readers," 14 May 2019 As Monday’s red carpet will prove, extravagant, flamboyant clothing is best complemented by radiant skin, eye-catching brows, and conversation-piece nails. Rachel Marlowe, Vogue, "The Beauty Pop-Ups to Know in New York Ahead of the Met Gala," 1 May 2019 Suddenly neither of us could focus on anything else—we were stuck in a rabbit hole, trying to figure out how exactly to get this glistening, radiant look. Glamour, "Buttery Skin Is the Biggest New Trend, and I Tried It," 8 Apr. 2019 Affleck eventually decided on a 6.10 carat fancy intense pink diamond (radiant cut) with white diamond side accents. Stellene Volandes, Town & Country, "Jennifer Lopez's Pink Diamond Made Her an Engagement Ring Influencer," 23 Mar. 2019 The Best Supporting Actress nominee reportedly topped off her radiant look with Chopard jewels. Kayla Keegan, Good Housekeeping, "Regina King's 2019 Oscars Dress Has THE Sexiest Slit We've Ever Seen," 25 Feb. 2019 Your genetic analysis could also tell you what kinds of foods to eat for younger, more radiant skin. Elizabeth Siegel, Allure, "The Future of Personalized Beauty Lies in the Tech Industry," 17 Apr. 2019 Allot another five minutes for checking out your newly radiant skin. Glamour, "8 Genius Tips That’ll Give You Clearer Skin for Free," 26 Mar. 2019

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.

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First Known Use of radiant


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


circa 1741, in the meaning defined above

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Statistics for radiant

Last Updated

14 Jun 2019

Look-up Popularity

Time Traveler for radiant

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

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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

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