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Definition of radiate

radiate

/ˈreɪ.di.eɪt/
ra · di · ate

Adjective:radiative
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Past Simple:radiated
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Past Participle:radiated
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Present Participle:radiating
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radiate Lexical Profile

radiate Game Scores & Validity

• verb

1

To emit energy, especially light or heat, in the form of rays or waves.

Example

"The dark asphalt continued to radiate heat long after the sun had set."


2

To project or display a strong feeling or quality clearly through one's expression or demeanor.

Example

"She seemed to radiate confidence as she stepped onto the stage to deliver her keynote address."


3

To diverge, spread out, or extend in various directions from a central point.

Example

"Several wide boulevards radiate outward from the historic plaza at the heart of the city."

Synonyms
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Antonyms
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• adjective

1

Having rays or radial parts diverging from a common center, such as the florets of a daisy or the symmetry of a starfish.

Example

"Starfish and sea urchins exhibit a radiate body plan with five-part symmetry."

Synonyms
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• Rhymes for radiate

Word Origin & Etymology

Borrowed in the early 17th century from Latin 'radiatus', the past participle of 'radiare' ('to emit rays' or 'to shine'), derived from 'radius' ('ray of light' or 'spoke of a wheel').

Cite this Entry


Wordmom. (2026). Definition of Radiate. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/radiate
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