English words starting with A

Opposed to or actively working against racism and racial discrimination.

Opposed to or against reform, especially social or political reform.

Opposed to or acting against a particular government or ruling system, especially one seen as authoritarian or oppressive.

Opposing or intended to oppose government regulation, especially in business or economic activities.

used to describe a drug or treatment that prevents the body from rejecting a transplanted organ or tissue

Opposed to or hostile towards religion or religious beliefs and practices.

Opposed to or hostile towards religion or religious beliefs and practices.

(of a drug) acting against retroviruses, especially HIV.

Opposed to or rejecting romantic feelings, attitudes, or ideals.

Opposed to, against, or hostile towards Russia, its government, policies, or people.

Opposed to or against Saddam Hussein, the former president of Iraq, or his policies and regime.

Designed to destroy or disable a satellite.

Opposed to science and scientific methods or principles.

Opposed to or rejecting the methods, principles, or validity of science.

Used to prevent or reduce the severity of epileptic seizures or convulsions.

A person who is prejudiced against or hostile toward Jewish people.

Having or showing prejudice, hostility, or discrimination against Jewish people.

Hostility to, prejudice against, or discrimination against Jews.

Designed to destroy or damage ships.

Designed to prevent or reduce skidding.

Opposed to or campaigning against the practice or institution of slavery.

Opposed to or intended to discourage or prevent smoking, especially tobacco smoking.

Opposed to or against the Soviet Union, its government, policies, or principles.

Designed to prevent or block unwanted email (spam) from reaching a user's inbox.

Designed to detect, prevent, or remove spyware from a computer system.

designed to prevent or protect against the crime of stalking (following and watching someone over a period of time in a way that is frightening or annoying)

Opposed to or acting against the authority and institutions of a state or government.

Designed to prevent or reduce the accumulation of static electricity.

Designed for or relating to defense against or destruction of enemy submarines.

Opposed to or against Syria, its government, or its people.

Opposed to or acting against the Taliban, a fundamentalist political and religious faction in Afghanistan.

Opposed to or prejudiced against Tamil people, their language, or culture.

Designed to destroy or defend against military tanks.

Opposed to or against taxes, especially high or specific taxes.

Opposing, preventing, or acting against terrorism or terrorists.

Actions or measures taken to prevent, counter, or combat terrorism.

Intended to prevent or combat terrorism.

designed to prevent theft

Opposed to or intended to discourage the use of tobacco.

Opposed to or acting against totalitarian systems of government.

Opposed to or against a treaty or treaties.

relating to legislation or actions designed to prevent or restrict business practices that unfairly limit competition, such as monopolies or price-fixing.

Opposed to or acting against labor unions or their activities.

Opposed to or against the United States of America, its policies, government, or culture.

Opposed to or protesting against the Vietnam War or U.S. involvement in it.

Opposed to or intended to prevent violence.

designed to detect, prevent, and remove computer viruses.

Opposed to war or to a particular war.

Opposed to or critical of the policies, power, or culture associated with the U.S. federal government, particularly as centered in Washington, D.C.

Opposed to or hostile towards the cultural, political, or economic values and influence of Western nations, especially those of Europe and North America.

Opposed to or acting against the practice of hunting and killing whales.

Opposed to or hostile towards white people or people of European descent.

Opposed to, hostile towards, or prejudiced against women.

Designed to prevent or reduce wrinkles, especially on the skin.

Opposed to or critical of the policies, actions, or legacy of Boris Yeltsin, the first President of the Russian Federation.

Opposed to Zionism (the movement for the development and protection of a Jewish nation in what is now Israel).

designed for defense against enemy aircraft

Active against bacteria.

A medicine that destroys bacteria or slows their growth, used to treat infections.

a substance produced by the body to fight disease, by attacking and killing harmful bacteria, viruses, etc.

(of behavior) Playful, funny, and silly, especially in a way that is old-fashioned.

(in Christian belief) the great enemy of Christ, expected to appear before the end of the world.

To expect that something will happen and to be ready for it.

expected or predicted; looked forward to

The feeling of excitement about something that is going to happen.

happening or performed in advance of an event, as a feeling or action

causing disappointment at the end of an exciting or impressive series of events; less exciting or impressive than expected.

A disappointing end to an exciting or impressive series of events.

A ridge-shaped fold of stratified rock in which the strata slope downwards from the crest.

a substance that prevents or slows down the clotting of blood.

the process or effect of preventing or slowing down the clotting of blood.

A drug used to prevent or reduce the severity of epileptic seizures or other convulsions.

Funny, silly, or playful actions or behavior

a drug or other treatment used to alleviate depression.

a substance that counteracts the effects of a poison.

opposed to feminism or feminists.

a substance added to a liquid, especially water in a car's engine, to lower its freezing point.

used to treat or prevent fungal infections

a substance that causes the body's immune system to produce antibodies to fight it, especially one that causes an allergic reaction.

relating to or having the properties of an antigen; capable of stimulating an immune response.

A hypothetical force opposing or nullifying gravity.

Relating to Antigua, its people, or their culture.

a drug used to treat allergies, especially by reducing the effects of histamine in the body.

The antimatter counterpart of hydrogen, consisting of an antiproton and a positron.

(of a drug or treatment) acting to reduce high blood pressure.

of or relating to the antilles, a group of islands in the caribbean sea.

A piece of cloth put over the back of a chair to protect it from grease and dirt, especially from hair oil.

used to prevent or treat malaria

a form of matter composed of antiparticles, such as positrons and antiprotons, which have the same mass as ordinary particles but opposite electric charge and other quantum properties.

active against microbes (such as bacteria or fungi)

A brittle, silvery-white metallic chemical element (symbol Sb) used especially in alloys and semiconductors.

The antiparticle of a neutrino, having the same mass but opposite lepton number and magnetic moment.

A person who believes that Christians are released by grace from the obligation of observing the moral law.

A contradiction between two beliefs or conclusions that are in themselves reasonable; a paradox.

A substance that helps to prevent damage, especially to cells caused by the process of oxidation, which can lead to aging and disease.

containing a high amount of antioxidants

a subatomic particle having the same mass as a given particle but opposite electric or magnetic properties or other characteristics, such as the positron in relation to the electron.

an italian appetizer typically consisting of olives, cured meats, cheeses, and vegetables

showing or feeling a strong, natural dislike or opposition; being averse to something.

a strong feeling of dislike or opposition

A substance that is applied to the skin, especially under the arms, to reduce or prevent sweating.

A direct or exact opposite.

the antiparticle of a proton, having the same mass but a negative electric charge.

Relating to or dealing in antiques or rare books.

the antiparticle of a quark, having the same mass but opposite electric charge, baryon number, and other quantum numbers.

A person who studies or collects antiques or ancient objects and artifacts.

(of things or ideas) old-fashioned or outdated and no longer suitable for modern conditions or purposes.

belonging to the distant past, especially from ancient times

Containing or decorated with many antiques.

Made to look old and valuable, often artificially.

The ancient past, especially the times of the Greeks and Romans.

Preventing the growth of microorganisms that cause disease or decay.

A serum containing antibodies, used to treat or provide immunity against specific toxins or pathogens.

harmful or hostile to the society in which one lives; contrary to the laws and customs of society

Action or measures taken to combat or prevent terrorism.

the exact opposite of something

directly and completely opposed in nature or meaning

a substance, often an antibody, that acts against a specific toxin in the body, neutralizing its effects.

A person or thing that represents the opposite of another.

a serum containing antibodies against specific poisons, especially snake venom, used to treat poisoning.