- emitting rays of light; shining; bright: the radiant sun; radiant colors.
- bright with joy, hope, etc.: radiant smiles; a radiant future.
- Physics. emitted or propagated by radiation.
- 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.
Origin of radiant
SynonymsSee more synonyms for radiant on Thesaurus.com
Examples from the Web for radiantly
Some of the horrors he lived through imbued his work with a radiantly pained wisdom.Michael Musto: Lou Reed Made Me A Believer—In Transvestism, Prostitution, and Lou Reed
October 28, 2013
She put her hands on David's shoulders, and looked at him radiantly.Tiverton Tales
And then I saw that Harry was a new Harry altogether, and that he was radiantly happy.The Comrade In White
W. H. Leathem
The moon, drooping in the western board, looked at her radiantly.Nostromo: A Tale of the Seaboard
"I've been looking for you everywhere, Miss Pat," she said radiantly.Miss Pat at School
How fair and fresh and beautiful she was, garlanded with flowers and radiantly happy.The Trail of '98
Robert W. Service
- sending out rays of light; bright; shining
- characterized by health, intense joy, happiness, etca radiant countenance
- emitted or propagated by or as radiation; radiatedradiant heat
- sending out heat by radiationa radiant heater
- physics (of a physical quantity in photometry) evaluated by absolute energy measurementsradiant flux; radiant efficiency Compare luminous
- 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
Word Origin and History for radiantly
mid-15c., from Middle French radiant and directly from Latin radiantem (nominative radians) "beaming, shining," present participle of radiare "to beam, shine" (see radiation). Of beauty, etc., first attested c.1500. Related: Radiantly.
"point or object from which light radiates," 1727; see radiant (adj.). In astronomy, of meteor showers, from 1864.
- Emitting heat or light.
- Consisting of or emitted as radiation.
- A point from which light radiates to the eye.
- Transmitting light, heat, or other radiation. Stars, for example, are radiant bodies.
- Consisting of or transmitted as radiation.
- The apparent celestial origin of a meteor shower. For example, a point in the constellation Gemini is the radiant of the Geminid meteor shower.