blood brother

noun

1
: a brother by birth
2
: one of two men pledged to mutual loyalty by a ceremonial use of each other's blood
blood brotherhood noun

Examples of blood brother in a Sentence

He would never betray me—he's my blood brother.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Trending The Milli Vanilli story is a lot like how Monsters presents Erik and Lyle: two blood brothers trapped in a miserable lie, with nobody to trust except each other, vulnerable but hiding behind a glam facade. Rob Sheffield, Rolling Stone, 12 Oct. 2024 Then there’s 21 Lil Harold, who’s opening for Savage on the tour, and TJ, 23, who might as well be his blood brother. Mankaprr Conteh, Rolling Stone, 18 Dec. 2023

Word History

First Known Use

1799, in the meaning defined at sense 1

Time Traveler
The first known use of blood brother was in 1799

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Cite this Entry

“Blood brother.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20brother. Accessed 4 Apr. 2025.

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