misshaper

/ˌmɪsˈʃeɪpər/
noun
  1. A person or thing that causes something to become misshapen or deformed.
    • In the story, the evil wizard was a misshaper who turned people into twisted creatures.
    • The faulty mold was a misshaper of the plastic toys, leaving them all crooked.
    • The heavy boots acted as a misshaper of the soft garden soil, leaving deep, uneven prints.
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