ra·di·ate
ˈrā-dē-ˌāt 
radiated; radiating
1
: to proceed in a direct line from or toward a center
2
: to send out rays : shine brightly
3
a
: to issue in or as if in rays
b
: to evolve by adaptive radiation
1
: to send out in or as if in rays
2
3
: to spread abroad or around as if from a center
radiately
adverb
Examples of radiate in a Sentence
Verb
The pain was radiating down my arm.
The sun radiates heat and light.
Heat radiates from the sun.
Recent Examples on the Web
Jon Hamilton, NPR, 22 Sep. 2025
What had seemed an impossible task transformed into a practical matter of six little arrows, radiating around a central concept.
—Zadie Smith, New Yorker, 22 Sep. 2025
Joy radiates in the room, and a dog-eat-dog environment where people cut each other off is replaced by open collaboration.
—Barry Levitt, Time, 19 Sep. 2025
Compared to its previous generation of earbuds, Nothing’s Ear(3) radiates 15% more power and produces a signal that is 20% more sensitive for a stronger Bluetooth signal.
—Mark Sparrow, Forbes.com, 18 Sep. 2025
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Verb
For more than four years, Lynn Milam's life was bound by the pain that radiated from her swollen joints.
—Cite this Entry
“Radiate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiate. Accessed 27 Sep. 2025.
Medical Definition
radiate
1 of 2 verb
ra·di·ate
ˈrād-ē-ˌāt
radiated; radiating
: to issue in or as if in rays : spread from a central point
back pain radiating to both upper legs—Tony Miksanek
radiate
2 of 2 adjective
ra·di·ate
ˈrād-ē-ət, -ē-ˌāt
1
: having rays or radial parts
2
: characterized by radial symmetry : radially symmetrical
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