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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31) I cautioned him against the danger.
32) They were brought up against unexpected delays.
33) The rain splattered against the french windows.
34) Some institutions still have a strong bias against women.
35) She sank back against/into the cushions.
36) We will introduce legal safeguards against fraud.
37) She had discharged herself against medical advice.
38) I resent the charges of incompetence made against me.
39) It is advisable to insure your life against accident.
40) They responsed with assaults against the enemy's bases.
41) There is widespread discrimination against doctors of Asian origin.
42) The evidence against the two men was inconclusive.
43) She clinked her glass against his.
44) Why do you argue against me?
45) We have evidence to substantiate the allegations against him.
46) He issued a writ against the newspaper.
47) The local police took swift action against the squatters.
48) Fate was strongly biased against him.
49) The sentry defended the gate against sudden attack.
50) You should not discriminate against minorities.
51) She appealed unsuccessfully against her conviction for murder.
52) They institute a suit against him.
53) Ministerial colleagues were briefing against him.
54) They face charges of committing crimes against humanity.
55) The people revolted against their king.
56) Does the procedure provide adequate safeguards against corruption?
57) Richter is accused of committing treason against the state.
58) I often dispute against my friends.
59) They have to contend against draught every year.
60) He strongly objected against the decision.
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.