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

Synonyms:

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

Synonyms:

Other Word Forms of Radiant

Singular:

radiant

Plural:

radiants

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