big brother

noun

1
: an older brother
2
: a man who serves as a companion, father figure, and role model for a boy
3
Big Brother [Big Brother, personification of the power of the state in 1984 (1949) by George Orwell]
a
: the leader of an authoritarian state or movement
b
: an all-powerful government or organization monitoring and directing people's actions

Examples of big brother in a Sentence

Recent Examples on the Web
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For generations, students went to the bathroom without big brother watching just fine - the difference is that now, companies are making money off it. Kurt Knutsson, FOXNews.com, 3 Apr. 2026 The games bring out the fans, with big brothers and grandmas packing the stands. Laurie Perez, CBS News, 2 Apr. 2026 Also expected to attend are the Haim sisters, Zoë Kravitz and Emma Stone, as well as Kelce’s big brother and podcast co-host Jason, along with teammate and friend Patrick Mahomes and actor Miles Teller. Jami Ganz, New York Daily News, 1 Apr. 2026 And big brother Jason Kelce will, of course, be there. Lizzie Lanuza, StyleCaster, 1 Apr. 2026 See All Example Sentences for big brother

Word History

First Known Use

1809, in the meaning defined at sense 1

Time Traveler
The first known use of big brother was in 1809

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Cite this Entry

“Big brother.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/big%20brother. Accessed 5 Apr. 2026.

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