against

1. 1

   In a contrary direction to.

   • It is hard work to swim against the current.
2. 2

   In physical opposition to; in collision with.

   • The rain pounds against the window.
3. 3

   In physical contact with, so as to abut or be supported by.

   • The ladder was leaning against the wall.
   • The puppy rested its head against a paw.
4. 4

   Close to, alongside.

   • A row of trees stood against a fence.
5. 5

   In front of; before (a background).

   • The giant was silhouetted against the door.
6. 6

   In contrast or comparison with.

   • He stands out against his classmates.
   • This report sets out the risks against the benefits.
7. 7

   In competition with, versus.

   • The Tigers will play against the Bears this weekend.
8. 8

   Contrary to; in conflict with.

   • Doing this is against my principles.
   • It is against the law to smoke on these premises.
9. 9

   In opposition to.

   • His mind is closed against all arguments.
   • Are you against freedom of choice?
10. 10

    Of betting odds, denoting a worse-than-even chance.

    • That horse is fifty-to-one against, so it has virtually no chance of winning.

ant. with

1. 1

   By the time that (something happened); before.obsolete

   • Thence she them brought into a stately Hall, / Wherein were many tables faire dispred, / And ready dight with drapets festiuall, / Against the viaundes should be ministred.
   • He now gave Mrs Deborah positive orders to take the child to her own bed, and to call up a maid-servant to provide it pap, and other things, against it waked.