anti-
prefix
[ ˈanti ]
• opposed to; against.
• "anti-aircraft"
• the antiparticle of a specified particle.
• "antiproton"
Origin:
from Greek anti ‘against’.
anti
preposition
• opposed to; against.
• "I'm anti the abuse of drink and the hassle that it causes"
anti
adjective
• opposed.
• "the local councils are anti"
anti
noun
• a person opposed to a particular policy, activity, or idea.
• "the threat to field sports from the antis is a serious one"
Origin:
late 18th century (as a noun): independent usage of anti-.