Word library
8,130 words, searchable by word, definition, part of speech, and CEFR level.
To close something, such as a door, or to stop operating.
Feeling nervous or uncomfortable around other people, especially people you don't know.
A brother or sister.
Feeling unwell or suffering from an illness.
A position to the left or right of something, or one of its edges or surfaces.
A paved path along the side of a street, meant for people walking.
Moving or facing toward one side rather than forward or backward.
A military operation in which an army surrounds a place and cuts off its supplies to force it to surrender.
The ability to see, or something worth seeing.
A board or notice with writing or a symbol that gives information.
A sound, gesture, or light that gives a message or warning.
The biological process by which a cell converts one kind of signal, such as a hormone or chemical, into another kind of response inside the cell.
A person's name written by hand in their own distinctive style, used to confirm identity or agreement.
Important enough to be noticed or to have a real effect.
The digits in a number that carry meaningful information about its precision.
In a way that is important or noticeable; considerably.
Complete absence of sound.
Completely quiet, without any sound.
The dark outline or shape of someone or something seen against a lighter background.
A fine, soft fiber produced by silkworms, used to make smooth fabric.
Smooth and soft, like silk.
Not sensible or serious, often in a way that makes people laugh.
Fine particles of soil or sand carried and deposited by moving water.
A shiny, pale grey metal used in jewellery and coins.
The practice of managing and growing forests, including planting, thinning, and harvesting trees.
Alike in some way, though not exactly the same.
The quality or state of being alike.
In a way that is similar or comparable.
A comparison between two different things using the word 'like' or 'as'.
Easy to understand or do, not complicated.
To make something easier to do or understand.
In a plain and clear way, or just, merely.
To create conditions that look or feel like a real situation without actually being real.
An imitation of a real situation or process, often run on a computer to study how it behaves.
A computer program or mathematical setup that imitates a real process so its behaviour can be studied without testing the real thing.
Two or more equations that share the same variables and must all be true at the same time.
At exactly the same time as something else.
From a particular time in the past until now.
Genuine and honest in feeling or expression, without pretense.
In a right triangle, the ratio of the length of the side opposite a given angle to the length of the hypotenuse.
To make music with your voice.
A person who sings, especially as a job or skill.
The activity or sound of producing musical sounds with the voice.
Only one, or not married.
A fixed basin with taps, used for washing hands, dishes, or other things.
Having the smooth, repeating up-and-down shape of a sine wave.
A smooth, repeating wave shaped like the graph of a sine function.
A polite or formal way of addressing a man, or a title given to a knight.