metamorphose

Verb
  1. Change completely the nature or appearance of (synset 200384726)
    "In Kafka's story, a person metamorphoses into a bug"; "The treatment and diet transfigured her into a beautiful young woman"; "Jesus was transfigured after his resurrection"
  2. Change in outward structure or looks (synset 200382272)
    "He transformed into a monster"; "The salesman metamorphosed into an ugly beetle"

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