/ Dictionary / Index A adnation: Meaning and Definition of Find definitions for: ad•na•tion Pronunciation: (ad-nā'shun), [key] — n. adnate condition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. adnate ad nauseam Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language