verb (used with object)

to free from or deprive of illusion, belief, idealism, etc.; disenchant.


a freeing or a being freed from illusion or conviction; disenchantment.

Origin of disillusion

First recorded in 1590–1600; dis-1 + illusion
Related formsdis·il·lu·sion·ment, noundis·il·lu·sive [dis-i-loo-siv] /ˌdɪs ɪˈlu sɪv/, adjectiveun·dis·il·lu·sioned, adjective

Synonyms for disillusion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for disillusioned

Contemporary Examples of disillusioned

Historical Examples of disillusioned

  • Disillusioned and depressed, I left my work and went to the window.

    The Golden Age

    Kenneth Grahame

  • And his smile fell now in mockery upon the disillusioned lad.

    Mistress Wilding

    Rafael Sabatini

  • That's the best you can do, unless you want her to become like me—disillusioned!

    Under Western Eyes

    Joseph Conrad

  • Most young men, and most young women, live to be disillusioned.

    In Direst Peril

    David Christie Murray

  • Since then his devotees have been shocked and disillusioned.

British Dictionary definitions for disillusioned



having lost one's ideals, illusions, or false ideas about someone or something; disenchanted



(tr) to destroy the ideals, illusions, or false ideas of

noun Also: disillusionment

the act of disillusioning or the state of being disillusioned
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for disillusioned



"to free or be freed from illusion," 1855, from a noun meaning "act of freeing from illusion" (1814); see dis- + illusion. Related: Disillusioned; disillusioning.

Online Etymology Dictionary, © 2010 Douglas Harper