General:
* Antibiotic: A substance that kills or inhibits the growth of bacteria.
* Anticipate: To expect or predict something.
* Antichrist: A person or force opposed to Christ.
* Anticipatory: Relating to anticipation.
* Antidote: A remedy for a poison or disease.
* Antifungal: A substance that kills or inhibits the growth of fungi.
* Anti-inflammatory: A substance that reduces inflammation.
* Antimatter: Matter composed of antiparticles.
* Antisocial: Avoiding contact with other people.
* Antithesis: The exact opposite of something.
* Antitoxin: A substance that counteracts the effects of a toxin.
Political/Social:
* Anti-establishment: Opposing the existing power structure.
* Anti-imperialism: Opposing imperialism.
* Anti-war: Opposing war.
* Anti-racism: Opposing racism.
* Anti-capitalism: Opposing capitalism.
* Anti-feminism: Opposing feminism.
* Anti-globalization: Opposing globalization.
Other:
* Anti-aging: Relating to preventing or slowing down the aging process.
* Anti-gravity: Defying gravity.
* Anti-hero: A central character in a story who lacks conventional heroic qualities and attributes, such as idealism, courage and morality.
* Anti-virus: A software program that protects a computer against viruses.
* Anti-clockwise: In the direction opposite to the movement of the hands of a clock.
This is not an exhaustive list, but it provides a good starting point for understanding words that begin with the prefix "anti".