Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb undo

5 senses of undo

Sense 1
undo -- (cancel, annul, or reverse an action or its effect; "I wish I could undo my actions")
       => change by reversal, turn, reverse -- (change to the contrary; "The trend was reversed"; "the tides turned against him"; "public opinion turned when it was revealed that the president had an affair with a White House intern")

Sense 2
unmake, undo -- (deprive of certain characteristics)

Sense 3
undo -- (cause the ruin or downfall of; "A single mistake undid the President and he had to resign")
       => ruin -- (destroy or cause to fail; "This behavior will ruin your chances of winning the election")

Sense 4
untie, undo, loosen -- (cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie")
       => change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")

Sense 5
unwrap, undo -- (remove the outer cover or wrapping of; "Let's unwrap the gifts!"; "undo the parcel")
       => uncover, expose -- (remove all or part of one's clothes to show one's body; "uncover your belly"; "The man exposed himself in the subway")