unloose
VerbWordNet 3.0
Webster's Dictionary (GCIDE)
Unloose \Un*loose"\, v. t. [1st pref. un- (intensive) + loose.] To make loose; to loosen; to set free. --Shak. [1913 Webster]
Unloose \Un*loose"\, v. i. To become unfastened; to lose all connection or union. [1913 Webster]