əˈɡenst Somebody/Something Preposition Bre Fight Terrorism Playing League

• the fight against terrorism
• we're playing against the league champions next week.
• we were rowing against the current.
• that's against the law.

against

1. opposing or disagreeing with somebody/something
• the fight against terrorism
• We're playing against the league champions next week.
• We were rowing against the current.
• That's against the law.
• She was forced to marry against her will.
• Are you for or against the death penalty?
• She is against seeing (= does not want to see) him.
• I'd advise you against doing that.
2. not to the advantage or favour of somebody/something
• compare for
  https://www.oxfordlearnersdictionaries.com/definition/english/for_1
• The evidence is against him.
• Her age is against her.
3. close to, touching or hitting somebody/something
• Put the piano there, against the wall.
• The rain beat against the windows.
4. in order to prevent something from happening or to reduce the damage caused by something
• an injection against rabies
• They took precautions against fire.
• Are we insured against theft?
5. with something in the background, as a contrast
• His red clothes stood out clearly against the snow.
• The love story unfolds against a background of civil war.
6. used when you are comparing two things
• You must weigh the benefits against the cost.
• Check your receipts against the statement.
• What's the rate of exchange against the dollar?
7. in contrast with something
• They got 27% of the vote as against 32% at the last election.
8. you are unlikely to succeed because the conditions are not good for you

Word Origin

• Middle English: from again + -s (adverbial genitive) + -t probably by association with superlatives (as in amongst).