Dictionary.com

radiate

[ verb rey-dee-eyt; adjective rey-dee-it, -eyt ]
/ verb ˈreɪ diˌeɪt; adjective ˈreɪ di ɪt, -ˌeɪt /
Save This Word!
See synonyms for: radiate / radiated / radiates / radiating on Thesaurus.com

verb (used without object), ra·di·at·ed, ra·di·at·ing.
verb (used with object), ra·di·at·ed, ra·di·at·ing.
to emit in rays; disseminate, as from a center.
(of persons) to project (joy, goodwill, etc.).
adjective
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

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, -ate1

OTHER WORDS FROM radiate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use radiate in a sentence

British Dictionary definitions for radiate

radiate

verb (ˈreɪdɪˌeɪt)
Also: eradiate to emit (heat, light, or some other form of radiation) or (of heat, light, etc) to be emitted as radiation
(intr) (of lines, beams, etc) to spread out from a centre or be arranged in a radial pattern
(tr) (of a person) to show (happiness, health, etc) to a great degree
adjective (ˈreɪdɪɪt, -ˌeɪt)

Word Origin for radiate

C17: from Latin radiāre to emit rays
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK