cancel, annul, or reverse an action or its effect; I wish I could undo my actions'

deprive of certain characteristics

[ Syn: unmake ]

cause the ruin or downfall of; A single mistake undid the President and he had to resign'

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

[ Syn: untie , loosen ]

remove the outer cover or wrapping of; Lets unwrap the gifts!; undo the parcel

[ Syn: unwrap ]