Source : Webster's Revised Unabridged Dictionary (1913)

Abrogate \Ab"ro*gate\, a. [L. abrogatus, p. p.]
   Abrogated; abolished. [Obs.] --Latimer.

Abrogate \Ab"ro*gate\, v. t. [imp. & p. p. {Abrogated}; p. pr. &
   vb. n. {Abrogating}.] [L. abrogatus, p. p. of abrogare; ab +
   rogare to ask, require, propose. See {Rogation}.]
   1. To annul by an authoritative act; to abolish by the
      authority of the maker or his successor; to repeal; --
      applied to the repeal of laws, decrees, ordinances, the
      abolition of customs, etc.

            Let us see whether the New Testament abrogates what
            we so frequently see in the Old.      --South.

            Whose laws, like those of the Medes and Persian,
            they can not alter or abrogate.       --Burke.

   2. To put an end to; to do away with. --Shak.

   Syn: To abolish; annul; do away; set aside; revoke; repeal;
        cancel; annihilate. See {Abolish}.

Source : WordNet®

abrogate
     v : revoke formally