radiate
Americanverb (used without object)
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to extend, spread, or move like rays or radii from a center.
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to emit rays, as of light or heat; irradiate.
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to issue or proceed in rays.
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(of persons) to project or glow with cheerfulness, joy, etc..
She simply radiates with good humor.
verb (used with object)
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to emit in rays; disseminate, as from a center.
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(of persons) to project (joy, goodwill, etc.).
adjective
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radiating from a center.
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having rays extending from a central point or part.
a coin showing a radiate head.
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radiating symmetrically.
verb
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Also: eradiate. to emit (heat, light, or some other form of radiation) or (of heat, light, etc) to be emitted as radiation
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(intr) (of lines, beams, etc) to spread out from a centre or be arranged in a radial pattern
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(tr) (of a person) to show (happiness, health, etc) to a great degree
adjective
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having rays; radiating
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(of a capitulum) consisting of ray florets
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(of animals or their parts) showing radial symmetry
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adorned or decorated with rays
a radiate head on a coin
Other Word Forms
- antiradiating adjective
- interradiate verb (used without object)
- multiradiate adjective
- multiradiated adjective
- nonradiating adjective
- radiability noun
- radiable adjective
- radiableness noun
- radiably adverb
- radiately adverb
- reradiate verb
- subradiate adjective
- unradiated adjective
Etymology
Origin of radiate
First recorded in 1610–20, radiate is from the Latin word radiātus (past participle of radiāre to radiate light, shine). See radiant, -ate 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
His eyes radiated with pride and I couldn’t contain the smile that quivered at the corners of my lips.
From Literature
“If we’re modeling our anxiety about this, we’re radiating urgency, alarm and pressure. Our kids learn to feel that way, too.”
At such high temperatures, plasma radiates energy to cool itself quickly.
Epstein, in a schlumpy gray sweatshirt and sweatpants, radiated energy as he alone stood at the staircase, surveying the room.
We were several feet apart, but I could feel the anger radiating off him.
From Literature
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
