1. anti- a prefixmeaning “against, opposed to, prejudicial to” ( anti-abortion; anti-Semitic; antislavery; ), “preventing, counteracting, or mitigating” (; anticoagulant; antifreeze; ), “destroying or disabling” (; antiaircraft; antipersonnel; ), “identical to in form or function, but lacking, opposite, or contrary in essential respects” (; anticlimax; antihero; antiparticle; ), “an antagonist or rival of” (; Antichrist; antipope; ), “situated opposite” (; Anti-Lebanon; ). Also, before a vowel,ant-.
Etymology: (ME < L < Gk, prefixal use of antí; akin to and)
Definitions of Anti- 
Afrikaans: anti-
Arabic: مُضاد لِ
Bulgarian: противо-
Brazilian: anti-
Czech: proti-
German: anti...
Danish: anti-
Greek: αντι- (ως α΄ συνθ.)
Spanish: anti
Estonian: anti-, vastu-, eba-
Farsi: ضد
Finnish: -vastainen
French: anti-
Hebrew: נֶגֶד
Hindi: विरोधी, प्रतिरोध
Croatian: protu-
Hungarian: ellen-, ...elleni
Indonesian: penangkal, anti-
Icelandic: varnar-
Italian: anti-
Japanese: 反対－
Korean: 반(反)-
Lithuanian: anti-, prieš-
Latvian: pret
Malay: menentang
Dutch: anti-
Norwegian: anti-, mot-
Polish: przeciw, anty-
Persian: ضد
Pashto: ضد ، مخالف
Portuguese: anti-
Romanian: anti-
Russian: противо-
Slovak: proti-
Slovenian: anti-, proti-
Serbian: protiv-
Swedish: anti-
Thai: ต่อต้าน
Turkish: birşeye karşı etkili olan
Taiwanese: 反
Ukrainian: проти-, анти-
Urdu: خلاف ، ضد
Vietnamese: chống lại
Chinese: 反
