brother

noun

broth·​er ˈbrə-t͟hər 

plural brothers also brethren ˈbret͟h-rən 

ˈbre-t͟hə-rən,

-t͟hərn

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

: kinsman

b

: one who shares with another a common national or racial origin

especially : a Black boy or man : soul brother

6

a

capitalized : 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

Another fraternity brother shows me photos from two nights before, when snow flurries blanketed the area at night. —Frederick Dreier, Outside Online, 7 Nov. 2024

Since retiring from the league after last season, Kelce has been showing up to support his brother — and Swift. —Anna Lazarus Caplan, People.com, 5 Nov. 2024

Jason Kelce has addressed the recent altercation between him and a football fan who called his brother, Kansas City Chiefs tight end Travis Kelce, a homophobic slur. —Michaela Zee, Variety, 5 Nov. 2024

Advertisement Her brother Prince, a genre-fusing master of music, died in 2016 after accidentally overdosing on fentanyl. —Nardine Saad, Los Angeles Times, 5 Nov. 2024

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

Phrases Containing brother

• big brother
• blood brother
• brother-in-law
• brother/sister/comrade in arms
• foster brother/sister
• half brother
• little brother/sister
• soul brother

Kids Definition

brother

noun

broth·​er ˈbrət͟h-ər 

plural brothers also brethren ˈbret͟h- (ə-)rən 

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