/ Dictionary / Index U unbosom: Meaning and Definition of Find definitions for: un•bos•om Pronunciation: (un-booz'um, -b'zum), [key] — v.t. to disclose (a confidence, secret, etc.). —v.i. to disclose one's thoughts, feelings, or the like, esp. in confidence. to disclose one's thoughts, feelings, etc., to another person; confide one's private affairs: He unbosomed himself to a complete stranger. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unbosom (Thesaurus) unborn unbound Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language