noun 1. a person or organization exercising total control over people’s lives. • Big Brother will be watching you from this week when spy cameras start to operate in Essex.
• [as modifier]
for executives who want the Big Brother touch, there are monitoring systems to keep track of employees.
[1950s: from the name of the head of state in George Orwell’s Nineteen Eighty-Four (1949).]
‹historical› a member of a voluntary organization founded in 1925 which provided foster care for young British immigrants to Australia
• he had the honour to be a Big Brother to one of them.