blood brother


Definition of blood brother

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

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Other Words from blood brother

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 Bon, his blood brother, is still determined to kill communists and has no idea that the narrator is one. Washington Post, 22 Feb. 2021 His blood brother Storm Shadow is also his archenemy. NBC News, 10 Jan. 2020 All of this – as well as the way race poisons the relation between blood brothers – is baked into his play; the opening performance at APT made clear that Parson is much too good a director to ignore it. Mike Fischer, Milwaukee Journal Sentinel, 18 June 2018 Even the central drama of the Winter Olympics — the rapprochement between blood brothers North and South Korea — feeds into the narrative of ethnic nationalism. Brook Larmer, New York Times, 20 Feb. 2018 Are James and Irving blood brothers if there's bad blood between them? Bill Livingston,, 31 Jan. 2018 The attacks marked the beginning of a terrible new season, one that would, alas, blossom in 2015 and 2016 when 239 people died in a series of terrorist attacks in France, some masterminded by other pairs of blood brothers. Rachel Donadio, The Atlantic, 4 Nov. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blood brother.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blood brother

1799, in the meaning defined at sense 1

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Time Traveler for blood brother

Time Traveler

The first known use of blood brother was in 1799

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Statistics for blood brother

Cite this Entry

“Blood brother.” Dictionary, Merriam-Webster, Accessed 21 Jun. 2021.

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More Definitions for blood brother

blood brother


English Language Learners Definition of blood brother

: a man or boy who has promised to be loyal to another man or boy usually in a ceremony in which they mix their blood

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