The Collaborative International Dictionary of English v.0.48:

Disdain \Dis*dain"\ (?; 277), v. t. [imp. & p. p. Disdained;
   p. pr. & vb. n. Disdaining.] [OE. disdainen, desdainen, OF.
   desdeigner, desdaigner, F. d['e]daigner; des- (L. dis-) +
   daigner to deign, fr. L. dignari to deem worthy. See
   Deign.]
   1. To think unworthy; to deem unsuitable or unbecoming; as,
      to disdain to do a mean act.
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            Disdaining . . . that any should bear the armor of
            the best knight living.               --Sir P.
                                                  Sidney.
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   2. To reject as unworthy of one's self, or as not deserving
      one's notice; to look with scorn upon; to scorn, as base
      acts, character, etc.
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            When the Philistine . . . saw David, he disdained
            him; for he was but a youth.          --1 Sam. xvii.
                                                  42.
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            'T is great, 't is manly to disdain disguise.
                                                  --Young.

   Syn: To contemn; despise; scorn. See Contemn.
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