Word library
8,130 words, searchable by word, definition, part of speech, and CEFR level.
The mathematical process of taking one number away from another.
Relating to regions just outside the tropics, with warm summers and mild winters.
An underground railway system in a city.
To achieve what you were trying to do.
The achievement of something you were aiming for.
Achieving the desired result or outcome.
In a way that achieves the desired result.
A series of people or things following one after another, or the process by which one thing gradually replaces another.
Following one after another without interruption.
Used to emphasize the degree or kind of something.
Happening quickly and unexpectedly.
Happening quickly and without warning.
To experience pain, difficulty, or a negative event.
Physical or mental pain experienced over a period of time.
Enough for a particular purpose or need.
A group of letters added to the end of a word to change its meaning.
The right to vote in political elections.
A sweet substance, usually white or brown, used to sweeten food and drinks.
To offer an idea or plan for someone else to think about.
An idea or proposal put forward for consideration.
A set of matching clothes worn together, or a legal action.
Right or appropriate for a particular purpose or situation.
A sharp-smelling gas released when fuels containing sulfur are burned, known for contributing to acid rain.
The total you get by adding numbers together, or an amount of money.
To give a short statement of the main points of something longer.
A short statement giving the main points of something longer.
An evaluation given at the end of a unit or course to measure how much a student has learned overall.
The warmest season of the year, coming between spring and autumn.
The highest point of a mountain, or an official meeting between heads of state or top leaders.
The bright star at the center of our solar system that gives Earth light and heat.
The warm southern region of the United States, known for its sunny climate and rapid population growth.
The day of the week that comes after Saturday and before Monday, part of the weekend.
A tall plant with a large, round, yellow flower that turns to face the sun.
Describing weather when the sun is shining brightly with few or no clouds.
The moment in the morning when the sun first appears above the horizon.
The moment in the evening when the sun disappears below the horizon.
A material that, below a certain very low temperature, conducts electricity with absolutely no resistance.
A person who manages or oversees an organization, department, or building, such as a school district or apartment building.
Better than someone or something else, especially in quality or ability.
A large shop that sells food and household goods.
A massive explosion that occurs at the end of certain stars' lives, briefly outshining an entire galaxy.
The combination of two or more waves into a single pattern, or, in quantum physics, the idea that a system can exist in several states at once until it is measured.
A meal eaten in the evening, sometimes lighter than dinner.
Two angles that add up to exactly 180 degrees.
To provide someone with something that they need or want.
The whole sequence of steps and companies involved in turning raw materials into a finished product and getting it to customers.
To help, encourage, or agree with someone or something, or to physically hold something up.
A person who supports a particular cause, team, or person.