Against

Alternative forms

 * agin (colloquial or humorous)

Preposition

 * 1) In a contrary direction to.
 * If you swim against the current, you must work harder.
 * 1) Close to.
 * 2) In front of; before a background.
 * The giant was silhouetted against the door.
 * 1) In physical contact with.
 * The puppy rested its head against a paw.
 * 1) In physical opposition to, or in collision with.
 * The rain pounds against the window.
 * 1) In contrast and/or comparison with
 * ''He stands out against his local classmates
 * 1) In competition with.
 * The Tigers will play against the Bears this weekend.
 * 1) In opposition to.
 * 2) In exchange for
 * 3) As counterbalance to
 * 4) As a charge on
 * 5) As protection from.

Synonyms

 * versus

Antonyms

 * for
 * with

Thesaurus
about; across; adverse to; as to; at cross-purposes with; athwart; con; concerning; confronting; contra; contrary to; counter to; dead against; despite; en route to; facing; for; fronting; headed for; in conflict with; in contact with; in contempt of; in defiance of; in disagreement with; in front of; in opposition to; in order to; in passage to; in preparation for; in spite of; in transit to; next to; on; on route to; opposed to; opposite; opposite to; over against; re; regardless of; respecting; to; touching; toward; towards; up; up against; upon; versus; vis-a-vis; with respect to

Conjunction
against


 * 1)  By the time that (something happened); before.

Conjunction

 * Dutch: tegen dat, totdat, voordat