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}]