/ ˌʌnˈbɜːdn; NAmE -ˈbɜːrdn/ verb [ vn ]
1.
unburden yourself / sth (of sth) (to sb) ( formal ) to talk to sb about your problems or sth you have been worrying about, so that you feel less anxious :
She needed to unburden herself to somebody.
2.
unburden sb/sth (of sth) to take sth that causes a lot of work or worry away from sb/sth
OPP burden