v. t. [ 1st pref. un- + learn. ] [ 1913 Webster ]
I had learned nothing right; I had to unlearn everything. Milner. [ 1913 Webster ]
a. [ Pref. un- + learned. ]
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v. t. [ 1st pref. un- + leash. ] To free from a leash, or as from a leash; to let go; to release;
a. Not leavened; containing no leaven;