Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “radiant”


adjective  /ˈreɪ·di·ənt/ us  

radiant adjective (EXPRESSIVE)

expressing great happiness, hope, or beauty: The bride looked radiant on her wedding day.

radiant adjective (SENDING OUT HEAT/LIGHT)

sending out or possessing heat or light: Plants absorb radiant energy from sunlight.
(Definition of radiant from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of radiant?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “radiant”

Definitions of “radiant” in other dictionaries

Word of the Day


to send something through the air with force, especially by a sudden movement of the arm

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More