View synonyms for radiate


[ verb rey-dee-eyt; adjective rey-dee-it, -eyt ]

verb (used without object)

, ra·di·at·ed, ra·di·at·ing.
  1. to extend, spread, or move like rays or radii from a center.
  2. to emit rays, as of light or heat; irradiate.
  3. to issue or proceed in rays.
  4. (of persons) to project or glow with cheerfulness, joy, etc.:

    She simply radiates with good humor.

verb (used with object)

, ra·di·at·ed, ra·di·at·ing.
  1. to emit in rays; disseminate, as from a center.
  2. (of persons) to project (joy, goodwill, etc.).


  1. radiating from a center.
  2. having rays extending from a central point or part:

    a coin showing a radiate head.

  3. radiating symmetrically.



  1. Alsoeradiate to emit (heat, light, or some other form of radiation) or (of heat, light, etc) to be emitted as radiation
  2. intr (of lines, beams, etc) to spread out from a centre or be arranged in a radial pattern
  3. tr (of a person) to show (happiness, health, etc) to a great degree


  1. having rays; radiating
  2. (of a capitulum) consisting of ray florets
  3. (of animals or their parts) showing radial symmetry
  4. adorned or decorated with rays

    a radiate head on a coin

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Other Words From

  • radi·a·ble adjective
  • radi·a·bili·ty radi·a·ble·ness noun
  • radi·a·bly radi·ate·ly adverb
  • anti·radi·ating adjective
  • inter·radi·ate verb (used without object) interradiated interradiating
  • multi·radi·ate adjective
  • multi·radi·ated adjective
  • non·radi·ating adjective
  • re·radi·ate verb reradiated reradiating
  • sub·radi·ate adjective
  • un·radi·ated adjective

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Word History and Origins

Origin of radiate1

First recorded in 1610–20, radiate is from the Latin word radiātus (past participle of radiāre to radiate light, shine). See radiant, -ate 1

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Word History and Origins

Origin of radiate1

C17: from Latin radiāre to emit rays

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Example Sentences

Her hair tightly tied and her focused eyes radiating passion, the Hungarian minister of justice looks and plays like a professional.

From Ozy

The materials are designed to emit radiation in a narrow band of the light spectrum that can slip past water molecules and other atmospheric compounds that otherwise radiate heat back toward the planet.

Our fancy chemical metabolism sheds energy as heat, radiating photons off into the environment.

Carbon dioxide molecules absorb infrared radiation, so with more of them in the atmosphere, they trap more of the heat radiating off the planet’s surface below.

Take Hoyal Cuthill’s recent work on rangeomorphs, fernlike animals that could grow to more than six feet tall, with fractal, branching fronds that radiated from a central stem attached to the seafloor.

The Germans radiate a kind of discipline; passes are firm and accurate and every movement seems to have a purpose.

These were the days before Twitter, of course, when rumors metastasized and took slightly longer to radiate.

When you bring people together they are able to radiate their truth.

Sifting through snapshots of her in various pageants, their faces radiate with pride.

In biz or art ventures embrace the power of editing, letting your understated genius radiate through.

Where so many blades radiate from a common center it is almost impossible to provide an anchorage for each blade.

Some men radiate an animal vigour that destroys the delicate woof of a vision and effectually prevents its reconstruction.

Some people radiate sympathy and helpfulness and inspiration.

He folded her in his arms, feeling her warmth radiate through him.

Over his face stole an expression of happiness, of gentleness; his eyes became darker and seemed to radiate light.


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radiata pineradiation