unbosom

UK: /ʌnˈbʊzəm/ US: (un bŏŏz′əm, -bo̅o̅′zəm)

WordReference Random House Unabridged Dictionary of American English © 2025

un•bos•om  (un bŏŏz′əm, -bo̅o̅′zəm), v.t. 

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

v.i. 

2. to disclose one's thoughts, feelings, or the like, esp. in confidence.
3. Idioms unbosom oneself, to disclose one's thoughts, feelings, etc., to another person;
   confide one's private affairs:
   He unbosomed himself to a complete stranger.

• un-² + bosom (verb, verbal) 1580–90

un•bos′om•er, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

unbosom / ʌnˈbʊzəm/ verb

1. (transitive) to relieve (oneself) of (secrets, etc) by telling someone

Etymology: 16th Century: from un-² + bosom (in the sense: seat of the emotions); compare Dutch ontboezemen