v. t. [ imp. & p. p. Unbosomed p. pr. & vb. n. Unbosoming. ] [ 1st pref. un- + bosom. ] To disclose freely; to reveal in confidence, as secrets; to confess; -- often used reflexively; as, to unbosom one's self. Milton. [ 1913 Webster ]
n. One who unbosoms, or discloses. [ R. ] “An unbosomer of secrets.” Thackeray. [ 1913 Webster ]