#1
undo v. cancel, annul, or reverse an action or its effect; "I wish I could undo my actions"
. wn #2
undo v. [
unmake] deprive of certain characteristics
. wn #3
undo v. cause the ruin or downfall of; "A single mistake undid the President and he had to resign"
. wn #4
undo v. [
untie, loosen] cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie"
. wn #5
undo v. [
unwrap] remove the outer cover or wrapping of; "Let's unwrap the gifts!"; "undo the parcel"
. wn