Word library

The government department or checkpoint that inspects goods and travelers entering a country.

To divide or open something using a sharp tool.

Relating to or affecting the skin.

Attractive in a small, sweet, or charming way.

Fiercely competitive, without concern for fairness or the wellbeing of others.

Using the most modern and advanced methods or technology available.

The study of how systems, whether living, mechanical, or electronic, control themselves and communicate through feedback.

The virtual environment where computer networks and the internet connect and communicate.

A series of events that repeat in the same order.

Happening in repeating cycles, returning again and again to a similar point.

The activity of riding a bicycle, either for sport or transport.

A powerful storm with strong winds that spiral around a center of low pressure.

A solid shape with two flat, circular ends and one curved side, like a tube.

Shaped like a cylinder, with a circular cross-section and straight sides.

Large, round metal plates that a drummer crashes together or hits to make a loud, ringing sound.

Believing that people are mainly driven by selfish reasons, and doubting the sincerity of good intentions.

A general distrust of people's motives, based on the belief that people mostly act out of self-interest.

A tall evergreen tree with dark, needle-like leaves, often found in warm climates or wetlands.

A small protein released by cells, especially of the immune system, that helps cells communicate with one another.

The jelly-like substance inside a cell, surrounding the nucleus and containing the other cell structures.

An informal word for father.

A yellow spring flower with a trumpet-shaped center, grown from a bulb.

Happening, done, or produced every day.

A small flower with white petals around a yellow center.

A wall built across a river to hold back water and control its flow.

Harm that reduces the value or usefulness of something.

Slightly wet, often in an unpleasant way.

To move your body in a rhythmic way, often to music.

A person who dances, especially as a performance or profession.

The possibility of harm, injury, or death.

Likely to cause harm or injury.

Having little or no light.

A mysterious force thought to make up most of the universe's total energy, believed to be responsible for speeding up its expansion.

An invisible substance thought to make up much of the universe's mass, detected only through its gravitational effects.

A small, pointed object thrown at a target in a game.

Facts and information, especially numbers, collected for analysis.

The process of making sense of a set of data by identifying patterns, trends, and meaning within it.

An organized collection of information stored electronically so it can be searched and updated.

A specific day of the month or year, or a social meeting between two people who like each other.

A person's female child.

To make someone feel nervous or discouraged about doing something difficult.

Making someone feel nervous or discouraged because a task seems difficult.

The very first light of day, just before the sun rises.

A period of twenty four hours, or the time when it is light outside.

The natural light that comes from the sun during the day.

The part of the day when it is light, between sunrise and sunset.

Existing in practice, whether or not it is officially recognized or legally established.

Existing according to law, whether or not it actually reflects the real situation in practice.