/ Dictionary / Index D deliration: Meaning and Definition of Find definitions for: del•i•ra•tion Pronunciation: (del"u-rā'shun), [key] — n. Archaic. mental derangement; raving; delirium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deliquescence deliriant Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language