Radiant Definition

rādē-ənt
adjective
Filled with light; bright.
A radiant morning.
Webster's New World
Consisting of or emitted as radiation.
Radiant heat.
American Heritage
Sending out rays of light; shining brightly.
Webster's New World
Showing pleasure, love, well-being, vitality, etc.; beaming.
A radiant smile.
Webster's New World
Issuing (from a source) in or as in rays; radiated.
Radiant energy.
Webster's New World
Antonyms:
noun
The point or object from which heat or light emanates.
Webster's New World
The point on the celestial sphere from which a shower of meteors appears to come.
Webster's New World

A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.

Wiktionary

Other Word Forms of Radiant

Noun

Singular:
radiant
Plural:
radiants

Origin of Radiant

  • Middle English from Latin radiāns radiant- present participle of radiāre to radiate radiate

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin radians, radiantis, present participle of radiare (“to emit rays or beams").

    From Wiktionary

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