(v. t.) To separate, part, or open, as anything fastened with glue.

cast off detach diffuse disengage disjoin disperse doff ease ease off free let go let up liberate loose loosen relax release remove scatter slack slack off slacken take off unbar unbind unbolt unbuckle unbutton unchain unclasp undo unfasten unfetter unlace unlatch unleash unlock unloose unloosen unstick unstrap untie weigh anchor