<p><strong>Preposition:</strong></p><ul><li>against (used especially to indicate an action brought by one party against another in a court of law, or to denote competing teams or players in a sports contest): Smith versus Jones; Army versus Navy.</li><li>as compared to or as one of two choices; in contrast with: v., vs. traveling by plane versus traveling by train.</li><li>in resistance to or defense from: protection against burglars.</li><li>in an opposite direction to: to ride against the wind.</li><li>into contact or collision with; toward; upon: The rain beat against the window.</li><li>in contact with: to lean against the wall.</li><li>in preparation for; in provision for: money saved against a rainy day.</li><li>having as background: a design of flowers against a dark wall.</li><li>in exchange for; as a balance to or debit or charge on: He asked for an advance against his salary.</li><li>in competition with: a racehorse running against his own record time.</li><li>in comparison or contrast with: a matter of reason as against emotion.</li><li>beside; near; before: The car is against the building.</li></ul><p><strong>End of Response</strong></p>