Source : Webster's Revised Unabridged Dictionary (1913)

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

            Are they [the rays of the sun] not reflected,
            refracted, and inflected by one and the same
            principle ?                           --Sir I.
                                                  Newton.

   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.

   3. To modulate, as the voice.

Inflected \In*flect"ed\, a.
   1. Bent; turned; deflected.

   2. (Gram.) Having inflections; capable of, or subject to,
      inflection; inflective.

   {Inflected cycloid} (Geom.), a prolate cycloid. See
      {Cycloid}.

Source : WordNet®

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 langauge" [ant: {uninflected}]