The Collaborative International Dictionary of English v.0.48:

Deprive \De*prive"\, v. t. [imp. & p. p. Deprived; p. pr. &
   vb. n. Depriving.] [LL. deprivare, deprivatium, to divest
   of office; L. de- + privare to bereave, deprive: cf. OF.
   depriver. See Private.]
   1. To take away; to put an end; to destroy. [Obs.]
      [1913 Webster]

            'Tis honor to deprive dishonored life. --Shak.
      [1913 Webster]

   2. To dispossess; to bereave; to divest; to hinder from
      possessing; to debar; to shut out from; -- with a remoter
      object, usually preceded by of.
      [1913 Webster]

            God hath deprived her of wisdom.      --Job xxxix.
                                                  17.
      [1913 Webster]

            It was seldom that anger deprived him of power over
            himself.                              --Macaulay.
      [1913 Webster]

   3. To divest of office; to depose; to dispossess of dignity,
      especially ecclesiastical.
      [1913 Webster]

            A minister deprived for inconformity. --Bacon.

   Syn: To strip; despoil; rob; abridge.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

deprived \deprived\ adj.
   marked by deprivation especially of the necessities of life
   or healthful environmental or social influences; as, a
   childhood that was unhappy and deprived, the family living
   off charity; boys from a deprived environment, wherein the
   family life revealed a pattern of neglect, moral degradation,
   and disregard for law.

   Syn: disadvantaged.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

deprived
    adj 1: marked by deprivation especially of the necessities of
           life or healthful environmental influences; "a childhood
           that was unhappy and deprived, the family living off
           charity"; "boys from a deprived environment, wherein the
           family life revealed a pattern of neglect, moral
           degradation, and disregard for law" [syn: deprived,
           disadvantaged]

Moby Thesaurus II by Grady Ward, 1.0:

32 Moby Thesaurus words for "deprived":
   badly off, beggared, beggarly, bereaved, bereft, depressed,
   destitute, disadvantaged, fatherless, fleeced, ghettoized,
   impoverished, in need, in rags, in want, indigent, mendicant,
   motherless, necessitous, needy, on relief, orphan, orphaned,
   out at elbows, parentless, pauperized, poor, poverty-stricken,
   starveling, stripped, underprivileged, widowed