The Collaborative International Dictionary of English v.0.48:

Inflected \In*flect"ed\, a.
   1. Bent; turned; deflected.
      [1913 Webster]

   2. (Gram.) Having inflections; capable of, or subject to,
      inflection; inflective.
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   Inflected cycloid (Geom.), a prolate cycloid. See
      Cycloid.
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The Collaborative International Dictionary of English v.0.48:

Inflect \In*flect"\, v. t. [imp. & p. p. Inflected; p. pr. &
   vb. n. Inflecting.] [L. inflectere, inflexum; pref. in- in
   + flectere to bend. See Flexible, and cf. Inflex.]
   1. To turn from a direct line or course; to bend; to incline,
      to deflect; to curve; to bow.
      [1913 Webster]

            Are they [the rays of the sun] not reflected,
            refracted, and inflected by one and the same
            principle ?                           --Sir I.
                                                  Newton.
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   2. (Gram.) To vary, as a noun or a verb in its terminations;
      to decline, as a noun or adjective, or to conjugate, as a
      verb.
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   3. To modulate, as the voice.
      [1913 Webster]

WordNet (r) 3.0 (2006):

inflected
    adj 1: (of the voice) altered in tone or pitch; "his southern
           Yorkshire voice was less inflected and singing than her
           northern one" [ant: uninflected]
    2: showing alteration in form (especially by the addition of
       affixes); "`boys' and `swam' are inflected English words";
       "German is an inflected language" [ant: uninflected]