[uhn-boo z-uh m, -boo-zuh m]

verb (used with object)

to disclose (a confidence, secret, etc.).

verb (used without object)

to disclose one's thoughts, feelings, or the like, especially in confidence.


    unbosom oneself, to disclose one's thoughts, feelings, etc., to another person; confide one's private affairs: He unbosomed himself to a complete stranger.

Origin of unbosom

1580–90; un-2 + bosom (v.)
Related formsun·bos·om·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unbosom

Historical Examples of unbosom

  • Florent felt ill at ease; he was not wont to unbosom himself so readily.

  • But I should doubt whether he felt any temptation to unbosom himself, or any need to do so.

    Sir Walter Scott

    George Saintsbury

  • Well, Tom, as I know you to be a sincere fellow, I will unbosom myself.

    Select Temperance Tracts

    American Tract Society

  • Then only did he unbosom himself and tell me freely what he had to say.

    The Iron Pirate

    Max Pemberton

  • "I suppose that man did not want to unbosom himself," said Kenneby.

    Orley Farm

    Anthony Trollope

British Dictionary definitions for unbosom



(tr) to relieve (oneself) of (secrets, etc) by telling someone
Derived Formsunbosomer, noun

Word Origin for unbosom

C16: from un- ² + bosom (in the sense: seat of the emotions); compare Dutch ontboezemen
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