plural brothers also brethren ˈbret͟h-rən How to pronounce brother (audio)
ˈbre-t͟hə-rən
-t͟hərn
Synonyms of brothernext
1
: a male who has the same parents as another or one parent in common with another
2
: one related to another by common ties or interests
3
: a fellow member
used as a title for ministers in some evangelical denominations
4
: one of a type similar to another
5
a
b
: one who shares with another a common national or racial origin
especially : a Black boy or man : soul brother
6
a
Brother : a member of a congregation of men not in holy orders and usually in hospital or school work
b
: a member of a men's religious order who is not preparing for or is not ready for holy orders
a lay brother

Examples of brother in a Sentence

We must support our brothers and sisters fighting overseas. the brothers in a monastery
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.
His brother, also named Alexander, starred at quarterback for the Vikings. Steve Millar, Chicago Tribune, 29 Aug. 2026 Nolan’s other younger brother, Ethan Wonsley, a senior who plays defensive tackle and nose guard at Ocean Springs High School, also played in Thursday night’s game. Alisha Ebrahimji, CNN Money, 29 Aug. 2026 The Earl Spencer, Lady Eliza Spencer’s father and Lady Diana’s brother, had welcomed the Sussexes, along with Archie and Lilibet, to the Spencer family home during their visit to the United Kingdom last month. Mathilde Engelmann, Vanity Fair, 29 Aug. 2026 Paul Petersen, who played Shelley Fabares’ brother on The Donna Reed Show, paid tribute to the late actress. Daysia Tolentino, Entertainment Weekly, 29 Aug. 2026 See All Example Sentences for brother

Word History

Etymology

Middle English, from Old English brōthor; akin to Old High German bruodor brother, Latin frater, Greek phratēr member of the same clan

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of brother was before the 12th century

Browse Nearby Words

Cite this Entry

“Brother.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brother. Accessed 1 Sep. 2026.

Kids Definition

plural brothers also brethren ˈbret͟h- (ə-)rən How to pronounce brother (audio)
ˈbret͟h-ərn
1
: a male who has one or both parents in common with another
2
: a male relative
3
: a fellow member of a group

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