| Language: | Old French |
| Origin: | Latin, from Greek, from anti 'opposite, against' |
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anti-

1 opposed to [≠ pro-]:
antinuclear (=opposing the use of nuclear weapons and power)
anti-American
antinuclear (=opposing the use of nuclear weapons and power)
anti-American2XX the 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)
anticlimax (=an unexciting ending instead of the expected exciting ending)
antimatter (=material completely opposite in kind to the ordinary material in the universe)3XX acting to prevent something :
antifreeze (=a liquid added to a car's engine to prevent freezing)
antiseptic (=a liquid that kills harmful bacteria)
antifreeze (=a liquid added to a car's engine to prevent freezing)
antiseptic (=a liquid that kills harmful bacteria)