British has 4 different meanings across 3 categories:
Noun · Adjective · Proper Noun
the people of Great Britain
"The British team celebrated their victory in the tournament."
of or relating to or characteristic of Great Britain or its people or culture
"his wife is British"
Of Britain.
"The British flag was flying proudly over the castle in London."
The residents or inhabitants of Great Britain.
"The British gathered in London to celebrate the victory of their team."
The word comes from Old English Brettisċ and originally referred to the island of Great Britain. By around 1400 it began describing the nation itself, while the term for British people emerged later in the early 1600s.