Pronunciation: (un-booz'um, -bOO'zum),[key] —v.t. to disclose (a confidence, secret, etc.).
—v.i. 1. to disclose one's thoughts, feelings, or the like, esp. in confidence.
2. unbosom oneself, to disclose one's thoughts, feelings, etc., to another person; confide one's private affairs: He unbosomed himself to a complete stranger.