/un berr"dn/ , v.t.
1. to free from a burden.
2. to relieve (one's mind, conscience, etc.) by revealing or confessing something.
3. to cast off or get rid of, as a burden or something burdensome; disclose; reveal: He unburdened the worries that plagued him.
[ 1530-40; UN- 2 + BURDEN 1 ]
Syn. 3. confide.