a (an) - ad. one; any; each

　　able - v. having the power to do something

　　about - ad. almost ("about half"); of or having a relation to ("We talk about the weather.")

　　above - ad. at a higher place

　　accept - v. to agree to receive

　　accident - n. something that happens by chance or mistake; an unplanned event

　　accuse - v. to say a person is responsible for an act or crime; to make a statement against someone

　　across - ad. from side to side; to the other side

　　act - v. to do something

　　activist - n. one who seeks change through action

　　actor - n. someone acting in a play or show

　　add - v. to put (something) with another to make it larger; to say more

　　administration - n. the executive part of a government, usually headed by a president or prime minister

　　admit - v. to accept ("admitted to the United Nations"); to express one's guilt or responsibility ("He admitted that what he did was wrong.")

　　adult - n. a grown person

　　advise - v. to help with information, knowledge or ideas in making a decision

　　affect - v. to produce an effect on; to influence ("A lack of sleep affected the singer's performance.")

　　afraid - ad. feeling fear

　　after - ad. later; behind

　　again - ad. another time; as before

　　against - ad. opposed to; not agreeing with something

　　age - n. how old a person or thing is

　　agency - n. an organization that is part of a larger group ("an agency of the United Nations")

　　aggression - n. an attack against a person or country; the violation of a country's borders

　　ago - ad. of time past; before now

　　agree - v. to have the same belief as someone; to be willing to do something

　　agriculture - n. farming

　　aid - v. to help; to support; n. help, assistance

　　aim - v. to point a gun at; n. a goal or purpose

　　air - n. the mixture of gases around the earth, mostly nitrogen and oxygen, that we breathe

　　air force - n. a military organization using airplanes

　　airplane - n. a vehicle with wings that flies

　　airport - n. a place where airplanes take off and land

　　album - n. a collection of recorded music

　　alcohol - n. a strong, colorless liquid, usually made from grain, used as a drug or in industrial products

　　alive - ad. having life; not dead

　　all - ad. everything; everyone; the complete amount

　　ally - n. a nation or person joined with another for a special purpose

　　almost - ad. a little less than completely

　　alone - ad. separated from others

　　along - ad. near or on ("along the road")

　　already - ad. before now; even now

　　also - ad. added to; too

　　although - conj. even if it is true that

　　always - ad. at all times; every time

　　ambassador - n. a nation's highest diplomatic representative (to another government)

　　amend - v. to add to or to change (a proposal or law)

　　ammunition - n. the bullets or shells fired from guns

　　among - ad. in or part of (a group)

　　amount - n. the number, size or weight of anything

　　anarchy - n. a lack of order; lawlessness

　　ancestor - n. a family member from the past

　　ancient - ad. very old; long ago

　　and - conj. also; in addition to; with

　　anger - n. a strong emotion against someone or something

　　animal - n. a living creature that moves, such as a dog or cat

　　anniversary - n. a yearly celebration or observance of an event that happened in the past

　　announce - v. to make known publicly; to declare officially

　　another - ad. one more; a different one

answer - n. a statement produced by a question; v. to make a statement after being asked a question

　　any - ad. one or more of no special kind

　　apologize - v. to express regret for a mistake or accident for which one accepts responsibility

　　appeal - v. to take to a higher court, person or group for a decision; to call on somebody for help

　　appear - v. to show oneself; to come into sight; to seem

　　appoint - v. to name; to choose ("appoint a judge")

　　approve - v. to agree with; to agree to support

　　archeology - n. the scientific study of past human life and activities

　　area - n. any place or part of it

　　argue - v. to offer reasons for or against something; to dispute; to disagree

　　arms - n. military equipment; weapons

　　army - n. military ground forces

　　around - ad. on every side (of)

　　arrest - v. to seize a person for legal action; to take as a prisoner

　　arrive - v. to come to a place, especially at the end of a trip

　　art - n. expressions or creations by humans, such as paintings, music, writing or statues

　　artillery - n. big guns

　　as - conj. equally ("as fast as"); when; while

　　ash - n. the part left after something burns

　　ask - v. to question; to say something is wanted ("We ask the teacher questions every day.")

　　assist - v. to help

　　astronaut - n. a person who travels in space

　　astronomy - n. the scientific study of stars and the universe

　　asylum - n. political protection given by a government to a person from another country

　　at - prep. in or near ("at the edge"); where ("look at"); when ("at noon")

　　atmosphere - n. the gases surrounding any star or planet

　　attach - v. to tie together; to connect

　　attack - n. a violent attempt to damage, injure or kill; v. to start a fight

　　attempt - v. to work toward something; to try; to make an effort

　　attend - v. to be present at

　　automobile - n. a vehicle with wheels used to carry people; a car

　　autumn - n. the time of the year between summer and winter

　　average - n. something (a number) representing the middle; ad. common; normal

　　avoid - v. to stay away from

　　awake - ad. not sleeping

　　award - n. an honor or prize for an act or service

　　away - ad. not near