Word library
8,130 words, searchable by word, definition, part of speech, and CEFR level.
The freedom to live, think, and act as you choose, within the limits set by law.
A person who works in a library, helping people find and borrow books.
A building or room where books are kept for people to read or borrow.
An official document giving permission to own, do, or use something.
Behaving in a sexually immoral or uncontrolled way, disregarding accepted moral standards.
To move your tongue across something.
A cover that fits over the top of a container to close it.
To say something that is not true, or to be in a flat, resting position.
The period between birth and death, or the quality of being alive.
A person trained to watch over people swimming and to rescue them if they get into trouble.
The way a person or group lives, including their habits, attitudes, and daily choices.
To raise something to a higher position.
Brightness that lets you see things, or a device that produces it.
The distance that light travels in one year, used as a unit for measuring vast distances in space.
A glass device that produces light when electricity passes through it.
Weighing less than something else.
A tower with a powerful light at the top, built to guide ships safely along a coast.
A sudden, bright flash of light in the sky, caused by electricity during a storm.
To enjoy or feel a positive interest in someone or something.
How probable it is that something will happen.
Probably going to happen or be true.
A flower with large, often white or brightly colored petals and a strong scent.
A small, round, green citrus fruit with a sharp, sour taste.
A common gray or white rock formed mainly from the remains of sea creatures, often used in building.
The greatest or smallest amount, level, or extent that is allowed or possible.
Restricted in amount, extent, or scope.
A resource or condition that restricts the growth or size of a population because it's in shortest supply.
Completely clear, especially describing water, light, or a person's writing style.
A person or thing that is essential to holding a plan, organization, or system together.
A long thin mark, or a row of people or things placed one after another.
A line of descendants from a particular ancestor, or a sequence of development.
Arranged in or relating to a straight line, or progressing in a simple, step-by-step way.
An equation between two variables that produces a straight line when graphed.
A mathematical method for finding the best possible outcome, such as maximum profit or minimum cost, given a set of straight-line constraints.
A scale on which equal distances represent equal increases in value.
A strong, light fabric made from the flax plant, or household items like sheets and towels made from cloth.
Relating to language or the study of language.
A connection between two things, or a clickable item on a webpage that takes you to another page.
A large wild cat with a mane, known as one of the strongest animals in Africa.
To treat someone as important or famous, giving them a great deal of public attention and admiration.
One of the two soft edges that form the opening of your mouth.
A fat, oil or wax-like molecule that doesn't dissolve in water and is used by living things for energy storage and building cell membranes.
The two soft edges around the opening of your mouth.
A substance, such as water, that flows freely and takes the shape of its container.
A set of names, items, or numbers written down one after another.
To pay attention in order to hear something.
A person who listens, especially to a speaker, broadcast, or another person talking.
The ability to read and write.