against

against prep

OE ongegn; see again, adv.

  1. Upon; supported by; in contact with; resting on the surface of.
  2. At variance with; in contradiction to; of an opposing view.
  3. Next to; directly nearby; very close to.
  4. Counter to; in opposition to; in competition with; with hostility for.
  5. To counteract; to neutralize; to offset; in provision for; as a protection from.