/ Dictionary / Index O overmodulation: Meaning and Definition of Find definitions for: o•ver•mod•u•la•tion Pronunciation: (ō'vur-moj"u-lā'shun), [key] — n. Radio. excessive amplitude modulation, resulting in distortion of a signal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overmeasure overmuch Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language