| antagonist | a person one struggles against in a contest |
| antagonize | the act of incurring or provoking hostility |
| antidote | a medicine that counteracts poison or disease/sth giving relief against sth else |
| antipathy | a strong feeling of dislike |
| antibiotic | a substance produced by a microorganism that destroys other harmful (living) microoganisms. |
| antiseptic | against infection; capable of destroing microorganisms that cause disease. |
| Antarctica | the continent opposite the Arctica |
| anticlimax | a sudden drop from the important to the commonplace |
| antithesis | one idea placed opposite another; the exact opposite; ideas contrasted in balanced phrases |
| antacid | a substance used to reduce or prevent acid collecting in the body, especially in the stomach |
| antiphonal | sung or played by two groups in turn: |
| antitoxin | a substance that stops or reduces the effect of a toxin (= poisonous substance) in your body |
| antonym | a word that means the opposite of another word: |
| autocracy | government by a single person |
| autocrat | an absolute ruler; a domineering, self-willed person |
| autocratic | rulling by oneself; domineering |
| automatic | operating by itself |
| automation | a system using self-operating machines |
| automaton | robot |
| automobile | a self-moving vehicle |
| autonomic nervous system | the nervous system, controlling the heart, digestive system etc. |
| autonomous | self-governing |
| autonomy | the right of self-government |
| autopsy | an examination of a dead body to discover the cause of death |
| autobiography | a book about a person's life, written by that person: |
| autograph | a signature (= your name written by yourself), especially of a famous person: |
| automat | a restaurant where you buy food from boxes whose doors open when money is put in |
| anthropoid | resembling humans |
| anthropologist | one who studies the development and behaviour of human beings |
| anthropology | a study of the development and behavour of human beings |
| anthropomorphic | thought of as having human form of characteristics |
| anthropomorphism | the attributing of human form or characteristics to a god, animal, or inanimate thing |
| misanthrope | one who hates people |
| misanthropic | characterised by hatred or scorn for people |
| philanthropic | charitable |
| philanthropist | one who loves and gives money to benefit humanity |
| philanthropy | the effort to increase the well-being of humanity by charitable donations |
| benediction | a blessing |
| benefactor | one who gives help or financial assistance |
| beneficence | kindness, charity |
| beneficial | producing benefits, advantageous |
| beneficiary | a person who recieves benefits, as from a will or an insurance policy |
| benefit | anything that promotes well-being; a payment to one in need |
| benevolence | an inclination to do good; a kindly or charitable act |
| benevolent | wishing someone good; inclined to do good |
| benign | harmless; having a kindly (good) attitude or disposition; med. mild (character) |
| beneficent | helping people and doing good acts: |
