|ən|bīnd transitive verb
Etymology: Middle English unbinden, from Old English unbindan, onbindan, from un-, on- un- + bindan to bind
1.
a. : to remove a band from : free from shackles or fastenings : untie , unfasten , loose
b. : to set free : give or restore liberty to : release
2.
a. : to free (as a cord) by or as if by untying a knot or releasing a catch ; also : to untangle or loose (a knot) by separating the parts
b. : to make less binding, controlling, or restrictive
unbinds the strictures which restrain the full joy in marriage — J.A.Pike