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Added 5 October 2026

radiant

/ˈɹeɪ.di.ənt/ adjective

In Latin: radians Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about radiant at Wordnik → Where our words come from →

Radiating light and/or heat.
the radiant sun
Emitted as radiation.
Beaming with vivacity and happiness.
a radiant face

noun

A point source from which radiation is emitted.
The apparent origin, in the night sky, of a meteor shower.
A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.

Origin

From Middle English radyant, from Latin radiāns, radiantis, present participle of radiāre (“to emit rays or beams”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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