A

* 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
* abuse - n. bad treatment causing harm or injury
* 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
* advertise - v. to show or present the qualities of a product to increase sales
* 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
* attention - n. close or careful observing of, or listening to, someone or something (“The student paid attention to his teacher.”)
* automobile - n. a vehicle with wheels used to carry people; a car
* autumn - n. the time of the year between summer and winter
* available - ad. present and ready for use; willing to serve or help. (“There was a list of available candidates.”)
* 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


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