Word library
8,130 words, searchable by word, definition, part of speech, and CEFR level.
Slow to understand something obvious, or, of an angle, greater than 90 degrees.
An angle that measures more than ninety degrees but less than a hundred eighty degrees.
To remove a need or difficulty; to make something unnecessary.
Easy to see or understand, leaving little doubt.
A particular time when something happens, or a special event.
To block or close off a passage or opening.
Relating to supernatural or magical powers and practices.
A person's job or profession, or the act of a country's military controlling another territory.
To live or work in a place, or to fill up space or time, or to take control of a place by force.
To happen, especially something that isn't planned.
Something that happens, especially an event that is unusual or notable.
One of the huge areas of salt water that cover most of the Earth.
The thin, dense layer of the earth's crust that lies beneath the oceans.
A long, narrow, extremely deep depression on the ocean floor, usually formed where one tectonic plate slides beneath another.
A flat shape with eight straight sides.
The tenth month of the year, associated in many places with autumn and Halloween.
A sea creature with a soft, rounded body and eight long arms.
Strange or unusual, or, in mathematics, a number that cannot be divided evenly by two.
A poem that expresses strong admiration or praise for a person or thing.
Extremely unpleasant and causing hatred or disgust.
Shows that something belongs to, is part of, or is made from something else.
Away from a place, or no longer working or connected.
Moving away from, or no longer on or touching something.
To hurt someone's feelings or upset them, often unintentionally.
To say that you are willing to give or do something for someone.
Said or done without careful thought, sometimes seeming careless.
A room or building where people do administrative or professional work.
A person who holds a position of authority, especially in the police or armed forces.
Approved or done by someone in a position of authority, such as a government or organization.
Too eager to give orders or to interfere in matters that are not your concern.
To balance the effect of one thing with an opposite effect.
The young of a person, animal, or plant.
Many times, frequently.
Used to express surprise, understanding, or other sudden emotion.
The standard unit used to measure electrical resistance.
The physics principle stating that the current through a conductor is directly proportional to the voltage across it and inversely proportional to its resistance.
A thick liquid used for cooking or for making machines run smoothly.
The sound a pig makes.
A smooth, thick substance rubbed onto the skin to treat a wound, rash, or other problem.
Acceptable, satisfactory, or in a reasonably good condition.
Used to show agreement, acceptance, or acknowledgment.
Acceptable, fine, or in a satisfactory condition.
Having lived or existed for a long time.
No longer modern or fashionable; typical of an earlier time.
A form of government in which power is held by a small group of people, often for their own benefit.
A market controlled by a small number of large companies rather than many small competitors.
A carbohydrate molecule made up of a small number of simple sugar units joined together.
A small, oval fruit that grows on trees in warm climates, eaten whole or pressed for oil.