Infantilism

//ɪnˈfæntɪlɪzm// noun

Definitions

Noun
  1. 1
    An emotional dependency on being treated as an infant. uncountable, usually
  2. 2
    infantile behavior in mature persons wordnet
  3. 3
    An appearance like (that of) an infant. uncountable, usually

    "A craniopharyngioma may produce infantilism."

  4. 4
    an abnormal condition in which an older child or adult retains infantile characteristics wordnet
  5. 5
    A paraphilia based on acting like a baby or toddler, sometimes involving being diapered. uncountable, usually

Etymology

From infantile + -ism.

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