verb (used with object), dis·closed, dis·clos·ing.

to make known; reveal or uncover: to disclose a secret.
to cause to appear; allow to be seen; lay open to view: In spring the violets disclose their fragrant petals.
Obsolete. to open up; unfold.


Obsolete. disclosure.

Origin of disclose

1350–1400; Middle English disclosen, desclosen < Old French desclos-, stem of desclore, equivalent to des- dis-1 + clore to close < Latin claudere; see close
Related formsdis·clos·er, nounpre·dis·close, verb (used with object), pre·dis·closed, pre·dis·clos·ing.self-dis·closed, adjectiveun·dis·closed, adjective

Synonyms for disclose

1. show, tell, unveil. See reveal. 2. expose.

Antonyms for disclose

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

Examples from the Web for disclose

Contemporary Examples of disclose

Historical Examples of disclose

  • Whither the stair led, I shall have to disclose in my next chapter.

    Wilfrid Cumbermede

    George MacDonald

  • I divined that before the evening was over she would contrive to disclose it.

    Ruggles of Red Gap

    Harry Leon Wilson

  • "He may find it necessary to disclose it, and before very long," he remarked.

    The Avenger

    E. Phillips Oppenheim

  • The development of his character must be left to disclose itself.

  • You figure out that this will cause her to disclose herself—make some sign?

    The Film of Fear

    Arnold Fredericks

British Dictionary definitions for disclose


verb (tr)

to make (information) known
to allow to be seen; lay bare
Derived Formsdiscloser, noun
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 disclose

late 14c., from Old French desclos "open, exposed, plain, explicit," past participle of desclore (Modern French déclore) "open, break open, unlock, reveal," from des- (see dis-) + clore "to close" (see close (v.)). Related: Disclosed; disclosing.

Online Etymology Dictionary, © 2010 Douglas Harper