ra·di·ant
ˈrā-dē-ənt 
2
: marked by or expressive of love, confidence, or happiness
a radiant smile
3
a
: emitted or transmitted by radiation
b
: emitting or relating to radiant heat
radiantly
adverb
: 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
Examples of radiant in a Sentence
Adjective
She had a radiant inner glow.
She looked radiant at her wedding.
Recent Examples on the Web
Mia Meltzer, Rolling Stone, 1 Nov. 2024
As Rita, Ronan gives a quietly radiant performance.
—Stephanie Zacharek, TIME, 1 Nov. 2024
John Tufts, The Courier-Journal, 9 Aug. 2024
The best time to watch the Perseid meteor shower, writes EarthSky, is from midnight into the predawn hours after the radiant has reached its highest point in the night sky.
—John Tufts, The Indianapolis Star, 7 Aug. 2024
See all Example Sentences for radiant 
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Adjective
This buildable foundation creates a naturally radiant look, while enhancing your skin’s glow with each use.
—Mia Meltzer, Rolling Stone, 1 Nov. 2024
As Rita, Ronan gives a quietly radiant performance.
—Stephanie Zacharek, TIME, 1 Nov. 2024
Noun
The best time to watch the Perseid meteor shower is from midnight into the predawn hours after the radiant has reached its highest point in the night sky, writes EarthSky.
—John Tufts, The Courier-Journal, 9 Aug. 2024
The best time to watch the Perseid meteor shower, writes EarthSky, is from midnight into the predawn hours after the radiant has reached its highest point in the night sky.
—John Tufts, The Indianapolis Star, 7 Aug. 2024
See all Example Sentences for radiant
Dictionary Entries Near radiant
Cite this Entry
“Radiant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiant. Accessed 22 Nov. 2024.
Copy CitationMedical Definition
radiant
adjective
ra·di·ant
ˈrād-ē-ənt
1
: emitted or transmitted by radiation
2
: emitting or relating to radiant heat
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