Synonyms: unbrace, unlace, untie
Definition: undo the ties of
Usage: They untied the prisoner
Similar words: undo
Definition: cancel, annul, or reverse an action or its effect
Usage: I wish I could undo my actions
Definition: cause to become loose
Usage: undo the shoelace; untie the knot; loosen the necktie
Similar words: alter, change, modify
Definition: cause to change; make different; cause a transformation
Usage: The advent of the automobile may have altered the growth pattern of the city; The discussion has changed my thinking about the issue