Word library
8,130 words, searchable by word, definition, part of speech, and CEFR level.
To extend your body or a part of it to its full length, or to make something longer or wider.
Able to be pulled longer or wider and then return to its original shape.
Demanding that rules be strictly followed, or precisely accurate.
To hit someone or something forcefully, or to stop work as a form of protest.
Thin cord made of twisted threads, used for tying or fastening things.
A long, narrow band of color that stands out from the surface around it.
Covered in straight lines of different colors or shades.
To make a great effort to achieve or obtain something.
Having a lot of physical power, or able to withstand pressure or difficulty.
With great force, intensity, or conviction.
A statistical model that represents relationships between multiple variables, including ones that can't be measured directly.
Unfairness that is built into the ordinary rules and systems of a society, rather than caused by any single person's decision.
The way parts of something are organized and connected, or a building or other constructed object.
To make a great effort to do something difficult, or to fight against someone or something.
A person who is studying at a school, college, or university.
A room where an artist works, or a place where music, film, or television is produced.
To spend time learning about a subject.
Matter or material of an unspecified kind; belongings.
To trip or lose your balance while walking or running.
Lacking intelligence or good sense.
The particular way a writer expresses ideas, including word choice, sentence length, and tone.
Relating to the regions just south of the Arctic Circle, with very cold winters.
Smaller than or existing within an atom, such as protons, neutrons, and electrons.
A particle smaller than an atom, such as a proton, neutron or electron.
An area where one tectonic plate is forced beneath another, often causing earthquakes and volcanic activity.
Relating to the process in which one tectonic plate is forced beneath another.
A topic being discussed or studied, or a course taken at school.
Based on personal feelings or opinions rather than on facts.
The philosophical view that truth or moral value depends on individual perception rather than existing independently of it.
The quality of being shaped by personal feelings, opinions, or experiences rather than objective facts.
To conquer a group of people and force them to obey.
A ship that can travel both on the surface and underwater.
To hand in or present something for approval or consideration, or to accept the authority or control of someone else.
Lower in rank or importance than something else.
A clause that cannot stand alone as a complete sentence because it depends on a main clause for its full meaning.
Located in the region just outside the polar zones, where winters are long but less extreme than at the poles.
To pay regularly to receive something, such as a magazine, service, or online content.
Coming after something else in time.
The gradual sinking or settling of the ground, sometimes causing damage to buildings above it.
The minimum amount of food and resources needed to stay alive, especially through one's own farming or hunting.
A particular kind of physical matter, or the real and important content behind something.
Large in size, amount, or importance.
To provide solid evidence that supports or proves a claim.
A person or thing used in place of another.
The act of putting one thing in the place of another, or, in mathematics, replacing a variable with a known value or expression.
A chemical reaction in which one atom or group in a molecule is replaced by another.
Not obvious or easy to notice, often because it's delicate or indirect.
To take one number away from another.