Against

AGAINST, preposition agenst'.

1. In opposition; noting enmity or disapprobation.

His hand will be against every man. [[Genesis 16#12|Genesis 16:12]].

I am against your pillows. [[Ezekiel 8#1|Ezekiel 8:1]].

2. In opposition, noting contrariety, contradiction, or repugnance; as, a decree against law, reason or public opinion.

3. In opposition, noting competition, or different sides or parties; as, there are twenty votes in the affirmative against ten in the negative.

4. In an opposite direction; as, to ride against the wind.

5. Opposite in place; abreast; as, a ship is against the mouth of a river. In this sense it is often preceded by over.

Aaron lighted the lamps over against the candlesticks.

[[Numbers 8#2|Numbers 8:2]].

6. In opposition, noting adversity, injury, or contrariety to wishes; as, this change of measures is against us.

7. Bearing upon; as, one leans against a wall.

8. In provision for; in preparation for.

Urijah made it against king Ahaz came from Damascus.

[[2 Kings 16#7|2 Kings 16:7]].

In this sense against is a preposition, with the following part of the sentence for an object. See [[After]], preposition def. 2.

In short, the sense of this word is opposition, variously modified according to its application to different objects.