radiate Get Printable Handwriting (ra-di-ate) 3 syllables Rhymes Learn It! Spelling Test Definition verb. 1 extend or spread outward from a center or focus or inward towards a center; 2 send out rays or waves Example Sentence All the roads radiate from the center of the town. Synonyms spread out; extend outward; broadcast Antonyms collect; gather Rhymes Three Syllable Rhymes (1) radiate Four Syllable Rhymes (1) irradiate Share with your friends: