Word library
8,130 words, searchable by word, definition, part of speech, and CEFR level.
Relating to the buying and selling of goods and services, especially with the aim of making a profit.
A sum of money paid to someone based on the value of sales they make, or an official group given a specific task.
An official who is put in charge of a particular government department or organization.
To do something wrong or illegal, or to promise firmly to a plan or relationship.
A promise or firm decision to do something, or dedication to a cause or relationship.
A raw material or basic product that can be bought and sold, such as oil, wheat, or gold.
Found or happening often, or shared by more than one person.
Ordinary and happening often, so not at all surprising.
A group of countries or states that are united by shared interests or a common history.
Shared by a group of people, rather than owned or used by one person alone.
To share information, thoughts, or feelings with someone else.
A political and economic system based on collective ownership of property and resources, with the aim of building a classless society.
A group of people who live in the same area or who share common interests.
The rule stating that changing the order of numbers in addition or multiplication doesn't change the result.
The mathematical rule that says changing the order of numbers in addition or multiplication does not change the result.
To travel regularly between home and work, usually over some distance.
Small and neatly arranged, taking up little space.
A person who spends time with or travels with someone, often as a friend.
A business that sells goods or services, or the state of being with other people.
To look at two or more things to see how they are similar or different.
A separate section of a larger container, vehicle, or space.
An instrument with a needle that points north, used for finding direction.
A design on a map or compass that shows the directions north, south, east, and west.
A feeling of sympathy for someone who is suffering, combined with a desire to help them.
Feeling or showing genuine concern for the suffering of others.
So interesting, convincing, or powerful that it holds your attention completely.
A short, complete collection of information on a subject.
To pay someone or make up for a loss, injury, or inconvenience.
Money or something else given to make up for a loss, injury, or inconvenience.
To try to win or do better than others in a contest or situation.
The ability to do something successfully and to an acceptable standard.
Having enough skill or knowledge to do something well.
An event in which people try to win by being better than others at something.
The ecological principle that two species competing for exactly the same limited resource cannot stably coexist, since one will eventually outcompete the other.
A feeling of quiet satisfaction that stops someone from noticing danger or trying to improve.
Too satisfied with how things are going to notice problems or try to improve.
To say that you are unhappy or dissatisfied about something.
A statement that expresses dissatisfaction or unhappiness about something.
Willing to please others and go along with what they want.
Something that goes well with something else and makes it better or complete.
Combining well with something else so that each part improves or completes the other.
Two angles that add up to exactly 90 degrees.
Having all its parts, with nothing missing.
A method of rewriting a quadratic expression so it contains a perfect square, used to solve equations or find a parabola's turning point.
Made up of many connected parts, and therefore difficult to fully understand.
A number made up of a real part and an imaginary part, written in the form a plus bi.
A sentence made up of one main clause and at least one clause that cannot stand alone.
The act of obeying a rule, law, or request.