CEFR Level
a part that is added to something to make it longer or bigger; an increase in time.
"She asked for an extension on her assignment deadline."
the area, degree, or scope of something
"The extent of the damage was greater than expected."
Very unusual, remarkable, or exceptional.
"She showed extraordinary courage during the crisis."
reaching a high or intense degree; very great or severe
"They went on an extreme adventure in the mountains."
to a very high degree; very much
"The movie was extremely interesting."
the strip of hair growing on the ridge above a person's eye
"She raised her eyebrow in surprise."