Source : WordNet®

untying
     See {untie}

untie
     v 1: undo the ties of; "They untied the prisoner" [syn: {unbrace},
           {unlace}] [ant: {tie}]
     2: cause to become loose; "undo the shoelace"; "untie the
        knot"; "loosen the necktie" [syn: {undo}, {loosen}]
     [also: {untying}]

untying
     n : loosening the ties that fasten something; "the tying of bow
         ties is an art; the untying is easy" [syn: {undoing}, {unfastening}]