A-gainst', prep.
(a-gĕnst') (Synop., § 130), prep. [O. Eng. agens, ageins, A-S. āgen, āgeān, ongēn, ongeān, ongegn, prep., M. H. Ger. engegene. Ger. entgegen; A-S. to-geanes, to-genes, toward, to, against. See AGAIN.]
Sense 1. Abreast of; opposite to; facing; as, against the mouth of a river;—in this sense often preceded by over.
Jacob saw the angels of God come against him. Tyndale.
Sense 2. In opposition to, whether the opposition is of sentiment or of action; as, against reason; against law; against the wind.
Sense 3. In provision for; in preparation for.
Urijah made it, against King Ahaz came from Damascus. 2 Kings xvi. 11.