Source : Webster's Revised Unabridged Dictionary (1913)

Immorality \Im`mo*ral"i*ty\, n.; pl. {Immoralities}. [Cf. F.
   immoralit['e].]
   1. The state or quality of being immoral; vice.

            The root of all immorality.           --Sir W.
                                                  Temple.

   2. An immoral act or practice.

            Luxury and sloth and then a great drove of heresies
            and immoralities broke loose among them. --Milton.

Source : WordNet®

immorality
     n 1: the quality of not being in accord with standards of right
          or good conduct; "the immorality of basing the defense
          of the West on the threat of mutual assured destruction"
          [ant: {morality}]
     2: morally objectionable behavior [syn: {evil}, {wickedness}, {iniquity}]