/ Dictionary / Index R resonate: Meaning and Definition of Find definitions for: res•o•nate Pronunciation: (rez'u-nāt"), [key] — v., -nat•ed, -nat•ing. —v.i. to resound. to act as a resonator; exhibit resonance. to reinforce oscillations because the natural frequency of the device is the same as the frequency of the source. to amplify vocal sound by the sympathetic vibration of air in certain cavities and bony structures. —v.t. to cause to resound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: resonate (Thesaurus) resonant-jet engine resonator Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language