A

• a - 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