DICT.TW Dictionary Taiwan

 undid
 (vbl.)undo的過去式和過去分詞

 Un·did imp. of Undo.
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 undid
      See undo

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