/ Dictionary / Index D disillusion: Meaning and Definition of Find definitions for: dis•il•lu•sion Pronunciation: (dis"i-l'zhun), [key] — v.t. to free from or deprive of illusion, belief, idealism, etc.; disenchant. —n. a freeing or a being freed from illusion or conviction; disenchantment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disillusion (Thesaurus) dishy disillusionize Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language