big brother
noun
Definition of big brother
1 : an older brother
2 : a man who serves as a companion, father figure, and role model for a boy
3 capitalized both Bs [Big Brother, personification of the power of the state in 1984 (1949) by George Orwell] a : the leader of an authoritarian state or movementb : an all-powerful government or organization monitoring and directing people's actions
Explore M-W
1809
First Known Use of big brother
1809
Learn More about big brother
Seen and Heard
What made you want to look up big brother? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!