CEFR Level
a substance used to stimulate the body's immune response against diseases
"Children are given the polio vaccine to prevent infection."
A space entirely devoid of matter; an absence of atmosphere or content.
"The scientist created a vacuum chamber for the experiment."
Having a sound basis in logic or fact; legally or officially acceptable.
"Her argument was valid and convincing."
a low area of land between hills or mountains, typically with a river or stream flowing through it
"The valley was covered in lush green grass and flowers."
worth a great deal of money or importance
"The diamond ring is very valuable."
the importance, worth, or usefulness of something
"The value of education cannot be overstated."
the quality or state of being different or diverse; a range of different things
"There is a variety of fruits available in the market."
different from one another; of several different kinds
"She owns various kinds of books."
to differ in size, amount, degree, or nature
"The prices of fruits vary from season to season."
a person who does not eat meat and sometimes other animal products, eating mainly vegetables, grains, and fruits
"She has been a vegetarian for over ten years."
a machine used for transporting people or goods
"He drives a vehicle to work every day."
machines used for transporting people or goods from one place to another
"There are many different types of vehicles on the road today."
A particular form or variant of something.
"The software has a new version with added features."
against (in a competition or conflict)
"The team is playing versus their biggest rivals."
through, by way of, or using a particular route or means
"She sent the documents via email."
a person who suffers harm, injury, or death due to an event or action
"The victim of the accident was taken to the hospital immediately."
An act of defeating an opponent or achieving success in a struggle or contest.
"The team celebrated their victory after the final match."
a person who watches something, especially television or video content
"The viewer is able to switch channels with the remote control."
a sour liquid made from fermented alcohol, used for cooking and preserving
"I added vinegar to the salad dressing for extra flavor."
behavior involving physical force intended to hurt or damage
"The protest turned into an act of violence."
using or involving physical force intended to hurt or damage
"He became violent after hearing the bad news."
a bluish-purple color
"She wore a beautiful violet dress to the party."
a musical instrument with four strings that is played with a bow
"She plays the violin beautifully in the orchestra."
A tiny infectious agent that can replicate only inside the living cells of an organism.
"The computer was infected with a dangerous virus."
an official authorization or permission to enter, leave, or stay in a country
"She applied for a visa to study abroad."
able to be seen; perceptible by the eye
"The stars were clearly visible in the night sky."
the ability to see or a mental image of something
"She had a clear vision of her future."
Relating to seeing or sight.
"The movie was praised for its stunning visual effects."
a natural substance needed by the body to stay healthy
"Fruits and vegetables are rich sources of vitamins."
a mountain with an opening through which lava, gas, and ash can escape
"The volcano erupted after being dormant for decades."
the amount of space that a substance or object occupies, or that is enclosed within a container
"The volume of water in the tank increased after the rain."
a person who does something, especially helping other people, willingly and without being paid
"She decided to volunteer at the local animal shelter."
a person who votes in an election
"Voters lined up outside the polling station to cast their ballots."
the act of making a choice in an election or decision by casting a vote
"Voting is an important part of a democratic society."
a long journey involving travel by sea or in space
"The ship's voyage across the Atlantic took two weeks."
used to indicate opposition or contrast between two things
"The match was Brazil vs Argentina in the final."
