Definitions of undoer
  1. noun
    a person who destroys or ruins or lays waste to
    “jealousy was his undoer
    synonyms: destroyer, ruiner, uprooter, waster
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    a total destroyer
    iconoclast, image breaker
    a destroyer of images used in religious worship
    diversionist, saboteur, wrecker
    someone who commits sabotage or deliberately causes wrecks
    someone who willfully destroys or defaces property
    a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
    type of:
    bad person, malefactor
    a person who does harm to others
  2. noun
    a seducer who ruins a woman
    “she awoke in the arms of her cruel undoer
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    type of:
    ladies' man, lady killer, seducer
    a man who takes advantage of women
  3. noun
    a person who unfastens or unwraps or opens
    “children are talented undoers of their shoelaces”
    synonyms: opener, unfastener, untier
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