Against | Mean of against in English Dictionary

/əˈgɛnst/

• in opposition to (someone or something)
1. Everyone was against them. [=everyone opposed them]
2. We must continue the struggle for justice and against injustice.
3. She voted against the proposal.
4. You're either for/with me or against me! [=you either support me or oppose me]
5. He spoke against appeasing the enemy.
6. The U.S. fought against Germany in World Wars I and II. = The U.S. and Germany fought against each other in World Wars I and II.
7. Some people were for the proposal but others were against it.
8. There's a law against doing that.
9. His parents were angry when they learned he had borrowed the car against their wishes. [=he borrowed the car even though they did not want him to]
10. Against my advice, she quit her job. [=she quit her job even though I advised her not to]
11. He was being held against his will. [=he was being kept in a place by force even though he wanted to leave]
• in competition with (someone or something)
1. two runners racing against each other
2. It's the Yankees against [=versus] the Red Sox tonight.
• not agreeing with or allowed by (something, such as a law)
1. You can't do that. It's against the law. [=the law does not allow it]
2. Touching the ball with your hands is against the rules.
3. I won't do it. It's against my principles. [=my principles don't allow it; I believe that it is wrong]
4. They were acting against tradition. [=acting in a way that did not agree with tradition]

• not helping or favoring (someone)
1. Everything was/went against them. [=everything that happened was unfavorable to them]
2. Her appearance is/counts against her. [=her appearance does not help her; people form a bad opinion of her because of her appearance]
• as a reason for disliking (someone or something)
1. I have nothing against him. [=I don't dislike him; I have no reason for disliking him]
2. We disagree about many things, but I don't hold it/that against you. [=I don't dislike you because of it/that]
• as a defense or protection from (something)
1. He built a crude hut as a shelter against [=from] the cold.
2. injections against flu
• in preparation for (something)
1. saving against [=for] an uncertain future
• in a direction opposite to the movement of (something)
1. They were sailing against the wind.
2. swimming against the current/tide
• with the background of (something)
1. The tree looked beautiful when viewed against the dark sky.
2. Her colorful coat stood out against the dull colors of the room.
• as a charge on (something)
1. The purchase was charged against [=to] her account. [=the amount of money needed for the purchase was added to the amount owed in her account]