undid Meaning, Definition & Usage

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

WordNet