Dictionary and Thesaurus

Definition of Radiant

• (a.) Emitting or proceeding as from a center; resembling rays; radiating; radiate.
• (a.) Especially, emitting or darting rays of light or heat; issuing in beams or rays; beaming with brightness; emitting a vivid light or splendor; as, the radiant sun.
• (a.) Beaming with vivacity and happiness; as, a radiant face.
• (a.) Giving off rays; -- said of a bearing; as, the sun radiant; a crown radiant.
• (a.) Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; -- said also of the cluster which has such marginal flowers.
• (n.) The luminous point or object from which light emanates; also, a body radiating light brightly.
• (n.) A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.
• (n.) The point in the heavens at which the apparent paths of shooting stars meet, when traced backward, or whence they appear to radiate.

Synonyms of Radiant

• Beaming
• Beamy
• Effulgent
• Refulgent

Antonyms of Radiant

Homophones of Radiant