Source : Webster's Revised Unabridged Dictionary (1913)

Envenom \En*ven"om\, v. t. [imp. & p. p. {Envenomed}; p. pr. &
   vb. n. {Envenoming}.] [OE. envenimen, F. envenimer; pref. en-
   (L. in) + F. venin poison. See {Venom}.]
   1. To taint or impregnate with venom, or any substance
      noxious to life; to poison; to render dangerous or deadly
      by poison, as food, drink, a weapon; as, envenomed meat,
      wine, or arrow; also, to poison (a person) by impregnating
      with venom.

            Alcides . . . felt the envenomed robe. --Milton.

            O, what a world is this, when what is comely
            Envenoms him that bears it!           --Shak.

   2. To taint or impregnate with bitterness, malice, or hatred;
      to imbue as with venom; to imbitter.

            The envenomed tongue of calumny.      --Smollett.

            On the question of slavery opinion has of late years
            been peculiarly envenomed.            --Sir G. C.
                                                  Lewis.