able

　　[having the power to do something]

　　Are you able to speak English?

　　about

　　[(1) almost; (2) of or having a relation to]

　　He completed about half of his work. (1)

　　We talk about the weather. (2)

　　above

　　[at a higher place]

　　His head was above the water.

　　accept

　　[to agree to receive]

　　Please accept my thanks.

　　accident

　　[(1) something that happens by chance or mistake; (2) an unplanned event]

　　She was injured in the accident. (1)

　　We met again by accident after seventeen years had passed. (2)

　　accuse

　　[(1) to say a person is responsible for an act or crime; (2) to make a statement against someone]

　　Her friend accused her of breaking his heart. (1)

　　The lawyer accused the suspect of lying. (2)

　　across

　　[(1) from side to side; (2) to the other side]

　　The box was ten centimeters across. (1)

　　The dog ran across the road. (2)

　　act

　　[to do something]

　　He acted immediately to stop the fight.

　　activist

　　[one who seeks change through action]

　　The activist worked hard to change the law.

　　actor

　　[someone acting in a play or show]

　　That actor frightened me.

　　add

　　[(1) to put (something) with another to make it larger; (2) to say more]

　　Please add my name to the list. (1)

　　She told him to leave, but added that she would like to see him again. (2)

　　administration

　　[the executive part of a government, usually headed by a president or prime minister]

　　The new administration starts work in January.

　　admit

　　[(1) to accept; (2) to express one's guilt or responsibility]

　　When was the country admitted to the United Nations? (1)

　　He admitted that what he did was wrong. (2)

　　adult

　　[a grown person]

　　Only an adult can sign the document.

　　advise

　　[to help with information, knowledge or ideas in making a decision]

　　Did you advise him to leave?

　　affect

　　[(1)to influence;(2)to produce an effect on]

　　A lack of sleep affected the singer's performance. (1)

　　Mr. Nutley's belief in my talent greatly affected my life. (2)

　　afraid

　　[feeling fear]

　　I am afraid of guns.

　　after

　　[(1)later; (2)behind]

　　She arrived after the lesson started. (1)

　　In the alphabet, B is after A. (2)

　　again

　　[(1) another time; (2) as before]

　　Sam played the song again. (1)

　　I found my book in the same place again. (2)

　　against

　　[(1) opposed to; (2) not agreeing with something]

　　They marched against the war. (1)

　　He agreed to most of the plan, but was against starting it now. (2)

　　age

　　[how old a person or thing is]

　　The legal age for voting is eighteen.

　　agency

　　[an organization that is part of a larger group]

　　UNICEF is an agency of the United Nations.

　　aggression

　　[(1) an attack against a person or country; (2) the violation of a country's borders]

　　The surprise attack was an act of aggression. (1)

　　The country committed aggression when it crossed the border of the other country. (2)

　　ago

　　[(1) of time past; (2) before now]

　　He was my friend long ago. (1)

　　I saw her two years ago. (2)

　　agree

　　[(1) to have the same belief as someone; (2) to be willing to do something]

　　We agree about politics. (1)

　　Both sides agree to meet again next week. (2)

　　agriculture

　　[farming]

　　John studied agriculture because he wanted to be a farmer.