Word library

In a right triangle, the ratio of the length of the side next to a given angle to the length of the hypotenuse.

Relating to the universe, especially outer space on an enormous scale.

The universe seen as an ordered, complete system.

The amount of money needed to buy or do something.

Clothing worn to look like a different person, animal, or character.

Warm, comfortable, and pleasant to be in.

A small house, especially in the countryside.

Made from the soft white fibers of the cotton plant.

A long, soft piece of furniture that several people can sit on, a sofa.

To force air out of your lungs suddenly and noisily, often because of an irritation in your throat.

The past form of "can", also used to politely ask for something or suggest a possibility.

A group of people chosen to make decisions or give advice for an area.

To say numbers in order, or to find the total number of something.

Able to be counted as separate, individual units.

A reason or piece of evidence put forward to oppose a claim someone else has made.

A weight or force that balances or offsets another one.

Moving in the opposite direction to the hands of a clock.

Made to look exactly like something genuine in order to deceive people.

Contrary to what you would expect based on common sense.

A person or thing that has the same job, role, or function as another, usually in a different place or organization.

The movement of people away from large cities toward smaller towns or rural areas.

An area of land with its own government and borders, or an area outside a city.

Land outside of cities and towns, with fields, farms, and few buildings.

A sudden, often violent, seizure of power from a government, usually by the military.

Two people who are married or in a romantic relationship, or a small number of things.

Two lines of poetry, one after the other, that usually rhyme and share the same rhythm.

A printed or digital ticket that gives the holder a discount on a purchase.

The ability to do something frightening or difficult without letting fear stop you.

Willing to face danger, pain, or difficulty without being controlled by fear.

A series of lessons on a subject, or the direction something is moving in.

A place where legal cases are decided, or an area marked out for certain sports.

The child of your aunt or uncle.

A chemical bond formed when two atoms share one or more pairs of electrons.

A variable that may influence the outcome being studied and is measured so its effect can be accounted for.

A small, sheltered bay along a coastline.

A serious formal agreement or promise between two or more parties.

To place something over another thing so it is hidden or protected.

The amount or extent to which something is reported, included, or protected, especially in news or insurance.

Secret or hidden, especially describing an action carried out without others knowing.

A large farm animal kept for its milk or meat.

A wild animal similar to a small wolf, found across North America.

Warm, comfortable, and pleasant, often in a small or enclosed space.

A small sea creature with a hard shell and two large claws that usually walks sideways.

To break something so that a line appears on its surface, without it falling completely apart.

A thin, dry, crisp baked snack, often eaten with cheese.

An activity that involves making things skillfully with your hands.

A small, tart, red berry that grows in wet ground and is often made into sauce or juice.

A tall wading bird with a long neck and legs, known for elaborate courtship dances.