Word library
8,130 words, searchable by word, definition, part of speech, and CEFR level.
Happening again and again over time.
To turn old materials such as paper, glass, or plastic into something that can be used again.
Having the color of blood or a ripe strawberry.
The process of sharing something, especially wealth or resources, out again in a different, often more equal, way.
To set right or correct a wrong or unfair situation.
To make something smaller in size, amount, or degree.
A substance that causes another substance to gain electrons during a chemical reaction, while it is itself oxidised.
The approach of explaining a complex system entirely in terms of its smallest or simplest parts.
A ridge of rock, sand, or coral lying just below or at the surface of the sea.
To mention something briefly, or to send someone to another person or source for help.
A person whose job is to make sure players follow the rules during a game.
A mention of something, or a source, person, or document used for information or support.
A vote in which all the citizens of a country or region can decide a particular political question.
To improve something by making small changes, or to remove impurities from a substance.
To send back light, heat, or an image from a surface, or to think carefully about something.
An image seen in a mirror or shiny surface, or careful thought about something.
A fast, automatic response to a stimulus that happens without conscious thought.
The process of planting trees again in an area where a forest was cleared or destroyed.
A change made to a system or organisation in order to improve it.
A major change made to improve something, especially a religious or social movement aimed at correcting past practices.
To bend a wave, such as light, as it passes from one substance into another.
The bending of light as it passes from one substance into another, such as from air into water.
A large appliance that keeps food cold so it lasts longer.
Shelter or protection from danger, difficulty, or trouble.
A person forced to leave their own country because of war, persecution, or disaster.
Money given back to a customer, usually when goods are returned or a service isn't provided.
To clean, repair, and improve something, especially a building.
To say clearly that you will not do or accept something.
To prove that a claim or argument is wrong.
To think of or consider someone or something in a particular way.
A particular government, especially one considered strict or undemocratic, or a system or method of doing things.
A fairly large area of land, often defined by its own particular features or borders.
The style and tone of language a speaker or writer adopts to suit a particular situation or audience.
A return to an earlier, usually worse or less developed, state, or in statistics, a method for analyzing the relationship between variables.
A statistical method used to work out how one variable changes in relation to another.
To feel sad or sorry about something that happened or that you did.
Happening at consistent times or intervals, or following a normal, expected pattern.
To control something using a set of rules, or to adjust something so that it works correctly.
An official rule or law that controls how something is done.
The set of rules, laws and agencies that govern how an industry or activity must operate.
A large deer with branching antlers that lives in cold northern regions.
To make something stronger, or to support an idea by adding more evidence.
Something added to strengthen or support, or additional troops sent to help in a battle.
To say something again, usually to emphasize it or make sure it's understood.
To refuse to accept, believe, or agree to something.
A quick, sharp reply, especially one that is witty or defensive.
To show or feel a connection between two things, or to understand and share someone's feelings.
The way in which two or more people or things are connected, or a relative.