The Collaborative International Dictionary of English v.0.48:

Disesteem \Dis`es*teem"\, v. t. [imp. & p. p. Disesteemed; p.
   pr. & vb. n. Disesteeming.]
   1. To feel an absence of esteem for; to regard with disfavor
      or slight contempt; to slight.
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            But if this sacred gift you disesteem. --Denham.
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            Qualities which society does not disesteem. --Ld.
                                                  Lytton.
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   2. To deprive of esteem; to bring into disrepute; to cause to
      be regarded with disfavor. [Obs.]
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            What fables have you vexed, what truth redeemed,
            Antiquities searched, opinions disesteemed? --B.
                                                  Jonson.
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