Simple Definition of Big Brother

from our Learner's Dictionary

Big Brother

noun

: a powerful government or organization that watches and controls what people say and do
"You better be careful about what you say," she warned, "Big Brother is listening!"

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“Big Brother.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/Big%20Brother. Accessed 15 Apr. 2026.

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