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Showing results for radiant. Search instead for radians.
Definitions

radiant

[rey-dee-uhnt] / ˈreɪ di ənt /
ADJECTIVE
bright, luminous
Synonyms
STRONGEST
beaming brilliant gleaming glittering glowing incandescent lustrous resplendent shining sunny
WEAK
effulgent glorious lambent lucent radiating refulgent sparkling
Antonyms
STRONGEST
cloudy dark dull gloomy sullen unhappy
WEAK
dim sad
ADJECTIVE
happy in appearance
Synonyms
STRONGEST
beaming blissful bright cheerful cheery ecstatic glowing joyful
WEAK
beatific delighted gay glad joyous rapturous
Antonyms
STRONGEST
depressed dull gloomy miserable sad sorrowful unhappy
WEAK
cloudy dark dim

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.