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disclose

[dih-sklohz]
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verb (used with object), dis·closed, dis·clos·ing.
  1. to make known; reveal or uncover: to disclose a secret.
  2. to cause to appear; allow to be seen; lay open to view: In spring the violets disclose their fragrant petals.
  3. Obsolete. to open up; unfold.
noun
  1. 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

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

Antonyms

1. conceal.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for undisclosed

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British Dictionary definitions for undisclosed

undisclosed

adjective
  1. not made known or revealedan undisclosed sum

disclose

verb (tr)
  1. to make (information) known
  2. 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 undisclosed

adj.

1560s, from un- (1) "not" + past participle of disclose.

disclose

v.

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

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