an act that makes a previous act of no effect (as if not done)
loosening the ties that fasten something; the tying of bow ties is an art; the untying is easy
[ Syn: untying , unfastening ]
an act that makes a previous act of no effect (as if not done)
loosening the ties that fasten something; the tying of bow ties is an art; the untying is easy
[ Syn: untying , unfastening ]