From Longman Dictionary of Contemporary Englishanti-anti- /æntɪ $ æntɪ, æntaɪ/ prefix 1 AGAINST/OPPOSEopposed to OPP pro- antinuclear (=opposing the use of nuclear weapons and power) anti-American2 XXthe opposite of something anticlimax (=an unexciting ending instead of the expected exciting ending) antimatter (=material completely opposite in kind to the ordinary material in the universe)3 XXacting to prevent something antifreeze (=a liquid added to a car’s engine to prevent freezing) antiseptic (=a liquid that kills harmful bacteria)
Examples from the Corpus
anti-• an antibiotic• an anticlimax• anti-American feelings• Anti-American sentiment remains high in the region.• The anti-smoking laws seem ridiculous to me.• Anti-war demonstrators gathered in the city's main square.From Longman Business Dictionaryanti-anti- /æntɪæntɪ, æntaɪ/ prefix opposed to or against somethingthe anti-business climate of the 1960s and 1970sThe bill is anti-consumer and anti-competitive.Origin anti- Old French Latin, from Greek, from anti “opposite, against” 