/ Dictionary / Index O overnutrition: Meaning and Definition of Find definitions for: o•ver•nu•tri•tion Pronunciation: (ō"vur-n-trish'un, -ny-), [key] — n. the excessive intake of food, esp. in unbalanced proportions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overnight telegram overorganize Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language