(noun, adjective)


1. radiating or as if emitting light.

- a radiant smile

Similar word(s): bright, beaming, beamy, effulgent, refulgent

2. (of a person) expressing happiness.

Sentences with radiant as an adjective:

- the radiant sun

- a radiant face

- the sun radiant;  a crown radiant


1. A point source from which radiation is emitted.

2. (astronomy) The apparent origin, in the night sky, of a meteor shower.

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