Synonym: in opposition to, versus. Antonym: for. Similar words: fight against, struggle against, again, all over again, mainstream, regain, ungainly, in step. Meaning: [əˈgenst; əˈgeɪnst] 
prep.1. in opposition to; contrary to; adverse or hostile to: twenty votes against ten; against reason. 2. in resistance to or defense from: protection against burglars. 3. in an opposite direction to: to ride against the wind. 4. into contact or collision with; toward; upon: The rain beat against the window. 5. in contact with: to lean against the wall. 6. in preparation for; in provision for: money saved against a rainy day. 7. having as background: a design of flowers against a dark wall. 8. in exchange for; as a balance to or debit or charge on: He asked for an advance against his salary. 9. in competition with: a racehorse running against his own record time. 10. in comparison or contrast with: a matter of reason as against emotion. 11. beside; near; before: The car is against the building. 12. over against, in contrast with: the rich over against the poor. conj. 13. Archaic. before; by the time that..
prep.1. in opposition to; contrary to; adverse or hostile to: twenty votes against ten; against reason. 2. in resistance to or defense from: protection against burglars. 3. in an opposite direction to: to ride against the wind. 4. into contact or collision with; toward; upon: The rain beat against the window. 5. in contact with: to lean against the wall. 6. in preparation for; in provision for: money saved against a rainy day. 7. having as background: a design of flowers against a dark wall. 8. in exchange for; as a balance to or debit or charge on: He asked for an advance against his salary. 9. in competition with: a racehorse running against his own record time. 10. in comparison or contrast with: a matter of reason as against emotion. 11. beside; near; before: The car is against the building. 12. over against, in contrast with: the rich over against the poor. conj. 13. Archaic. before; by the time that.. 
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181) They battled against other Indian tribes, but rarely fought with the whites.
182) His arrival clearly puts a huge question mark against the future of the present team captain.
183) He was very cold, so he huddled up against his brother in bed.
184) This is something of a grudge match against a long-term enemy.
185) How much will it cost to insure my car against accident?
186) I bought another safety lock as an additional insurance against thieves.
187) Insurance companies try to persuade them to cover themselves against illness or death.
188) ASH, the anti-smoking group, called the new regulations a turning point in the campaign against smoking.
189) He leant against the car, gulping in the cold air.
190) Parents have been warned against allowing children to graze on sweets and snacks .
191) The university has a bias towards/in favour of/against the sciences.Sentencedict.com
192) It was undeniably a revolt by ordinary people against their leaders.
193) They have decided to initiate legal proceedings against the newspaper.
194) The contract contained a restrictive covenant against building on the land.
195) The value of sterling increased against several other currencies yesterday.
196) I knocked the cup against the table and broke it.
197) He left his bicycle leaning against a tree trunk .
198) In his haste,he clashed the cup against the corner of the table.
199) Protesters found a novel way of demonstrating against steeply rising oil prices.
200) When the enemy attacked, we were completely powerless against them.
201) The Security Council will consider taking future actions against sanction-busters.
202) Trade sanctions were imposed against any country that refused to sign the agreement.
203) Index - linked pay rises insulated them against inflationary price increases.
204) The workers staged a protest against the proposed changes in their contracts.
205) As tempers rose,(sentencedict.com) he spoke out strongly against some of the radical ideas for selling off state-owned property.
206) He struggled to swim against the flow of the water.
207) You have to set the advantages of the scheme against the disadvantages.
More similar words: fight against, struggle against, again, all over again, mainstream, regain, ungainly, in step, install, instant, instinct, instruct, instance, instead of, instantly, instructor, instrument, for instance, instruction, installation, institution, constraint, institutional, instructional, maintain, agape, magazine, non-stop, monster, insect.