anti
[noun]
Synonyms: opponent, adversary, antagonist, con, match, opposer, oppugnant
[adjective]
Synonyms: adverse, antagonistic, antipathetic, opposed, opposing, oppugnant

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Antonyms: pro

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English Thesaurus: oppose, be against something/be opposed to something, not agree with something, object, resist, ...

[TahlilGaran] English Synonym Dictionary ▲

anti- /æntɪ $ æntɪ, æntaɪ/ prefix
[Language: Old French; Origin: Latin, from Greek, from anti 'opposite, against']

1. opposed to Antonym : pro-:
antinuclear (=opposing the use of nuclear weapons and power)
anti-American

2. 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)

3. acting to prevent something:
antifreeze (=a liquid added to a car’s engine to prevent freezing)
antiseptic (=a liquid that kills harmful bacteria)

[TahlilGaran] Dictionary of Contemporary English ▲

oppose to think that a plan or idea is wrong, and to try to prevent it from happening or succeeding:
Hundreds of people wrote to oppose the scheme.
The other parties opposed the bill.
be against something/be opposed to something to think that something is wrong and should not be allowed:
I used to be against the death penalty.
Most people are opposed to the privatization of the city’s public transportation system.
not agree with something to think that something is wrong:
I don’t agree with training animals for entertainment.
object to say or feel that something is wrong:
No one objected to the proposals.
She strongly objects to being told what to do.
resist to try to prevent a change from happening, or prevent yourself from being forced to do something:
People often resist change, when they have been used to doing things in a certain way for a long time.
She resisted all attempts to teach her how to cook.
anti- opposed to something – used in adjectives:
antiwar protesters
an anti-slavery movement

[TahlilGaran] English Thesaurus ▲