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

Keep scrolling for more

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 His blood brother Storm Shadow is also his archenemy. NBC News, "'G.I. Joe' Spinoff With Henry Golding Gets Traditional Blessing in Japan," 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, "Hard questions about race in APT's 'Blood Knot' compounded by casting decision," 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, "South Korea’s Most Dangerous Enemy: Demographics," 20 Feb. 2018 Are James and Irving blood brothers if there's bad blood between them? Bill Livingston,, "Cleveland Cavaliers: LeBron, Kyrie and the blood transfer -- 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, "A Terrorist's Brother—and France—on Trial," 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.

See More

First Known Use of blood brother

1799, in the meaning defined at sense 1

Keep scrolling for more

Learn More about blood brother

Time Traveler for blood brother

Time Traveler

The first known use of blood brother was in 1799

See more words from the same year

Statistics for blood brother

Cite this Entry

“Blood brother.” Dictionary, Merriam-Webster, Accessed 2 Jul. 2020.

Keep scrolling for more

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

More from Merriam-Webster on blood brother

Thesaurus: All synonyms and antonyms for blood brother

Comments on blood brother

What made you want to look up blood brother? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!