| asthma
| noun
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| an illness or allergy that can make breathing difficult.
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| astonish
| verb
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| to amaze someone very much.
| She astonished the crowd by winning the race.
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| astronaut
| noun
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| a person who is trained to travel into space.
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| astronomy
| noun
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| the scientific study of stars and planets.
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| ate
| verb
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| to eat
| I ate a whole loaf of bread yesterday.
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| athlete
| noun
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| a person who takes part in races or sports competitions.
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| atlas
| noun
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| a book of maps.
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| atmosphere
| noun
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| the layer of air that surrounds the Earth.
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| atom
| noun
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| a very tiny part of any substance.
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| attach
| verb
| v1
| to fasten.
| Attached with a paper clip
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| attack
| verb
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| to try to hurt a person or an animal.
| The wild dog attacked the flock of geese.
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| attempt
| verb
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| to try to do something.
| They attempted to climb the wall, but had to give up.
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| attend
| verb
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| to go to an event, or to go somewhere regularly.
| I attended school for 11 years.
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| attention
| noun
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| listening carefully.Pay attention in class!
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| attic
| noun
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| a room at the top of a house, usually in the space under the roof.
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| attract
| verb
| v1
| to interest.
| The museum attractsmany visitors.
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| attractive
| adjective
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| pleasing to the eye, mind, and senses.
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| audience
| noun
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| the people who come to watch a show or concert.
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| aunt
| noun
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| the sister of someone’s parent, or their uncle’s wife.
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| author
| noun
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| a person who writes books, poems, or plays.
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| autograph
| noun
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| a signature, usually of a famous person.
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| automatic
| adjective
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| without thinking.
| Blinking is automatic.
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| automobile
| noun
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| another name for a car.
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| autumn
| noun
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| one of the four seasons.
| Autumn follows summer and comes before winter. It is the time when the leaves on some trees change color and fall to the ground.
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| avalanche
| noun
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| a large amount of snow, rocks, and ice that suddenly slides down a mountain.
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| avenue
| noun
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| a type of street
| It is often wide and sometimes has a line of trees down each side
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| average
| adjective
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| ordinary.
| He was of average height for his age.
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| average
| noun
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| a usual amount
| My grades were above average.
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| avocado
| noun
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| a green, pear-shaped tree fruit with a leathery skin and smooth, creamy flesh.
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| avoid
| verb
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| to keep away from something
| The car swerved to avoidthe dog.
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| jtoy
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