With; rather against, and so the Hebrew, and the sense is plain; or, as our translation reads it, with, i.e. as I have given Ammon, so I will with them give Moab to the Chaldeans first, who will give Moab to the Arabians.
Possession: see Eze_25:4.
That the Ammonites; I suppose here is either an ellipsis, thus, that as the Ammonites should so perish, as not to be remembered, so should Moab also; or else Ammon is appellative here, and speaks the numerousness of Moab, which yet should so cease as to be forgotten.