1

radiant

adjective ra·di·ant \ ˈrā-dē-ənt \
Updated on: 9 Nov 2017

Definition of radiant

1 a : radiating rays or reflecting beams of light
b : vividly bright and shining : glowing
2 : marked by or expressive of love, confidence, or happiness
  • a radiant smile
3 a : emitted or transmitted by radiation
b : emitting or relating to radiant heat

radiantly

adverb

Examples of radiant in a Sentence

  1. She had a radiant inner glow.

  2. She looked radiant at her wedding.

Recent Examples of radiant from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radiant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of radiant

15th century

Synonym Discussion of radiant

bright, brilliant, radiant, luminous, lustrous mean shining or glowing with light. bright implies emitting or reflecting a high degree of light. brilliant implies intense often sparkling brightness. radiant stresses the emission or seeming emission of rays of light. luminous implies emission of steady, suffused, glowing light by reflection or in surrounding darkness. lustrous stresses an even, rich light from a surface that reflects brightly without glittering.

2

radiant

noun

Definition of radiant

: something that radiates: such as
a : a point in the heavens at which the visible paths of meteors appear to meet when traced backward
b : the part of a gas or electric heater that becomes incandescent

First Known Use of radiant

circa 1741


RADIANT Defined for English Language Learners

radiant

adjective

Definition of radiant for English Language Learners

  • : having or showing an attractive quality of happiness, love, health, etc.

  • : bright and shining

  • : sent out from something in rays or waves that you cannot see


RADIANT Defined for Kids

radiant

adjective ra·di·ant \ ˈrā-dē-ənt \

Definition of radiant for Students

1 : giving out or reflecting rays of light
  • the radiant sun
2 : glowing with love, confidence, or joy
  • a radiant smile
3 : transmitted by radiation

Medical Dictionary

radiant

adjective ra·di·ant \ ˈrād-ē-ənt \

medical Definition of radiant

1 : emitted or transmitted by radiation
2 : emitting or relating to radiant heat


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