The definition of an anti is a person who has beliefs contrary to another cause or concept.(noun)
An example of an anti is someone who does not believe that people should have the right to have guns.
Anti is defined as opposed to something.(preposition)
An example of anti is how Mothers Against Drunk Driving feel about people who drive after drinking.
See anti in Webster's New World College Dictionary
noun pl. antis
Origin: < anti-, in various compounds
Origin: Gr anti-, ant- < anti, against < IE *anti, facing, opposite, near (> L ante, opposite, before) < base *ant-s, front, forehead
See anti in American Heritage Dictionary 4
noun pl. an·tis
Origin: From anti-.
Origin: , from anti, opposite; see ant- in Indo-European roots.
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