1. (

• untying ,
• undoing ,
• unfastening

) loosening the ties that fasten something; "the tying of bow ties is an art; the untying is easy" ;

1. (

• untie ,
• unbrace ,
• unlace

) undo the ties of; "They untied the prisoner" ;

2. (

• untie ,
• undo ,
• loosen ,

) cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie" ;