radiant
Americanadjective
-
emitting rays of light; shining; bright.
the radiant sun;
radiant colors.
- Synonyms:
- resplendent, refulgent, beaming
- Antonyms:
- dim
-
bright with joy, hope, etc..
radiant smiles;
a radiant future.
-
Physics. emitted or propagated by radiation.
-
Heraldry.
-
noting a partition line having a series of flamelike indentations formed by ogees joined in zigzags; rayonny.
-
(of a charge, as an ordinary) having an edge or edges so formed.
-
adjective
-
sending out rays of light; bright; shining
-
characterized by health, intense joy, happiness, etc
a radiant countenance
-
emitted or propagated by or as radiation; radiated
radiant heat
-
sending out heat by radiation
a radiant heater
-
physics (of a physical quantity in photometry) evaluated by absolute energy measurements Compare luminous
radiant flux
radiant efficiency
noun
-
a point or object that emits radiation, esp the part of a heater that gives out heat
-
astronomy the point in space from which a meteor shower appears to emanate
-
Transmitting light, heat, or other radiation. Stars, for example, are radiant bodies.
-
Consisting of or transmitted as radiation.
Related Words
See bright.
Other Word Forms
- antiradiant adjective
- nonradiant adjective
- nonradiantly adverb
- radiantly adverb
- superradiant adjective
- unradiant adjective
Etymology
Origin of radiant
First recorded in 1400–50; late Middle English, from Latin radiant-, stem of radiāns “shining,” present participle of radiāre “to radiate light, shine,” verb derivative of radius “beam, ray”; radius
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The result is neither winter nor spring, but something that holds both: earthy, sweet, quietly radiant.
From Salon
Ahead of the ceremony, she warmed Manchester up with a radiant, candlelit charity gig at the city's Albert Hall venue on Thursday.
From BBC
There's an ease and warmth to the music that matches the singer's radiant charisma.
From BBC
A small sunbeam had bored its way down through the overhead green, and the playhouse was bathed in a warm radiant glow.
From Literature
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A radiant flame burns at the lamp’s tip, with beams of light emanating in all directions.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.