English to English

verb (v)

• deprive of sex or sexual powers(verb.possession)

  source: wordnet30
• remove the qualities typical of one's sex(verb.change)

  Example:
  She unsexed herself.
  

  source: wordnet30
• make infertile(verb.body)

  Synonym:
  desex, desexualise, desexualize, fix, sterilise, sterilize
  

  source: wordnet30
• To deprive of sex, or of qualities becoming to one's sex; esp., to make unfeminine in character, manners, duties, or the like; as, to unsex a woman.(verb)

  source: webster1913