unloose

From The Collaborative International Dictionary of English v.0.48:

Unloose \Un*loose"\, v. t. [1st pref. un- (intensive) + loose.]
   To make loose; to loosen; to set free. --Shak.
   [1913 Webster]
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From The Collaborative International Dictionary of English v.0.48:

Unloose \Un*loose"\, v. i.
   To become unfastened; to lose all connection or union.
   [1913 Webster]