Word library
8,130 words, searchable by word, definition, part of speech, and CEFR level.
To have a particular meaning or intention.
A measure of how much, on average, the values in a data set differ from the mean of that set.
The average distance a particle travels between one collision and the next.
A wide, looping bend in the course of a river.
The idea that a word, sign, or action represents.
Having real significance, purpose, or value, rather than being empty or trivial.
During the same period of time that something else is happening.
To find the exact size, amount, or degree of something using an instrument or standard unit.
The size, length, or amount of something found by measuring.
Food that comes from the flesh of an animal.
A person who repairs and maintains machines, especially vehicle engines.
Relating to machines or moved by machinery, or done automatically without much thought.
A small metal disc given as an award for an achievement, usually worn on a ribbon.
Television, radio, newspapers, and the internet, considered together as the means by which news reaches the public.
The middle value in a list of numbers arranged from smallest to largest.
In grouped data, the class interval that contains the middle value of the whole data set.
The middle value of income when all incomes in a group are arranged from lowest to highest, often used instead of the average to describe typical earnings.
A major nerve running down the arm that controls movement and feeling in much of the hand.
A process in which a neutral person helps two sides in a disagreement reach an agreement.
A person who helps two opposing sides reach an agreement.
Relating to the treatment of illness and injuries.
A substance used to treat illness, or the science of treating illness.
Neither very good nor very bad, just average or slightly below what is expected.
Relating to the Mediterranean Sea or the regions surrounding it, or describing a mild climate similar to that region.
Neither large nor small, but in between.
A small, slender African animal that lives in groups and often stands upright to watch for danger.
To come together with someone in the same place, often for the first time.
An occasion when people come together to discuss something.
A very large city, usually with a population of over ten million people.
The type of cell division that produces reproductive cells with half the normal number of chromosomes.
A story or style of performance that relies on exaggerated emotion and dramatic events rather than realistic behavior.
A pleasing sequence of musical notes that forms the main tune of a song.
A large, round fruit with a thick skin and juicy flesh.
To change from a solid to a liquid because of heat.
A person who belongs to a group, club, or organization.
A thin, flexible layer of tissue that covers or separates parts of a living organism.
A book in which someone writes about events from their own life.
Something built or held to help people remember a person or event, often one who has died.
The ability to remember things, or something remembered from the past.
Someone or something that is likely to cause serious harm or danger.
Not telling the truth; lying.
Describing work that is simple, low-paid, and considered to have low status.
The roughly monthly sequence of hormonal and physical changes in the female reproductive system that prepares the body for a possible pregnancy.
Relating to the mind, or done in the mind rather than in writing or speech.
To speak or write about something briefly, without going into much detail.
An experienced person who advises and guides someone less experienced.
A list of food and drinks available in a restaurant, or a list of options on a computer screen.
The sound a cat makes.