"undid" in the verb sense
cancel, annul, or reverse an action or its effect
"I wish I could undo my actions"
2. unmake, undo
deprive of certain characteristics
cause the ruin or downfall of
"A single mistake undid the President and he had to resign"
4. untie, undo, loosen
cause to become loose
"undo the shoelace"
"untie the knot"
"loosen the necktie"
5. unwrap, undo
remove the outer cover or wrapping of
"Let's unwrap the gifts!"
"undo the parcel"
Source: WordNet® (An amazing lexical database of English)
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