Definition: remove the outer cover or wrapping of
Usage: Let's unwrap the gifts!; undo the parcel
Main entry: untie, loosen, undo
Definition: cause to become loose
Usage: undo the shoelace; untie the knot; loosen the necktie
Main entry: undo
Definition: cancel, annul, or reverse an action or its effect
Usage: I wish I could undo my actions
Definition: deprive of certain characteristics
Main entry: undo
Definition: cause the ruin or downfall of
Usage: A single mistake undid the President and he had to resign