Word library
8,130 words, searchable by word, definition, part of speech, and CEFR level.
Lasting for a very long time, often despite difficulty or pressure.
Full of energy and eager to move or be active.
The power needed to do work or make things move, or a person's physical strength and enthusiasm.
To drain someone of energy or strength.
To make sure that a law or rule is obeyed, using authority or force if necessary.
To attract and hold someone's attention or interest, or to become involved in an activity.
Interesting and pleasant in a way that holds people's attention.
To cause a feeling or situation to exist.
A machine that produces power to make something move.
A person who designs, builds, or maintains machines, structures, or systems.
To improve the quality, value, or attractiveness of something.
Something or someone that is mysterious and difficult to understand.
The continuation of a sentence or idea from one line of poetry to the next without a pause or punctuation mark.
To get pleasure from doing or experiencing something.
To give someone new understanding or knowledge about something they didn't grasp before.
An intellectual movement, particularly in 18th-century Europe, that emphasized reason, science, and individual rights over tradition and religious authority.
To join the armed forces voluntarily, or to persuade someone to help with a task.
Extremely large in size or amount.
As much or as many as needed.
Improved by having something valuable added, such as extra nutrients, quality, or content.
To make certain that something happens or is true.
To come or go into a place, or to begin taking part in something.
A business or company, or a project that requires boldness and effort.
Showing initiative and a willingness to take on new, sometimes risky, projects.
To provide enjoyment for someone, often through performance.
Activities or performances designed to give people pleasure.
A strong feeling of excitement and interest in something.
A person who is very interested in and excited about a particular activity or subject.
Showing strong interest, excitement, and eagerness about something.
Whole; complete, with nothing left out.
To give someone the right to have or do something.
A distinct and independent thing that exists on its own, whether physical, abstract, or organizational.
The door or opening through which people enter a place.
A person who starts and runs a business, often taking on financial risk to do so.
A measure of disorder or randomness in a system, which tends to increase over time.
The act of entering, or a single item in a list, diary, or competition.
To name items one by one, usually in a list or in order.
A flat paper cover used to hold and mail a letter.
The natural world of land, air, water, and living things, or the surroundings a person lives or works in.
A messenger or representative sent to conduct official business, often on behalf of a government.
Relating to or caused by an enzyme, a biological molecule that speeds up chemical reactions.
A protein produced by living cells that speeds up a chemical reaction without being used up itself.
A measure of how quickly an enzyme catalyses its reaction under given conditions.
Lasting for only a very short time.
A long story, often told in verse, about heroic deeds or a legendary journey.
The point on the Earth's surface directly above the underground origin of an earthquake, or more generally, the central point of an event.
A person who takes great pleasure in fine food and drink.
A sudden, widespread outbreak of a disease affecting many people in a particular area at the same time.