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Synonyms

brother

American  
[bruhth-er, bruhth-ur] / ˈbrʌð ər, ˈbrʌðˈɜr /

noun

plural

brothers,

plural

brethren
  1. a male offspring having both parents in common with another offspring; a male sibling.

  2. Also called half brother.  a male offspring having only one parent in common with another offspring.

  3. a stepbrother.

  4. a male numbered among the same kinship group, nationality, ethnicity, profession, etc., as another; an associate; a fellow member, fellow countryman, fellow man, etc..

    a fraternity brother.

  5. Ecclesiastical.

    1. (often initial capital letter) a male numbered among the lay members of a religious organization that has a priesthood.

    2. a man who devotes himself to the duties of a religious order without taking holy orders, or while preparing for holy orders.

  6. brothers, all members of a particular racial or ethnic group, or of the human race in general.

    All men are brothers.

  7. Slang. fellow; buddy.

    Brother, can you spare a dime?

  8. Informal. a term used to refer to or address a fellow Black man; soul brother.


interjection

  1. Slang. (used to express disappointment, disgust, or surprise.)

brother British  
/ ˈbrʌðə /

noun

  1. a male person having the same parents as another person

  2. short for half-brother stepbrother

    1. a male person belonging to the same group, profession, nationality, trade union, etc, as another or others; fellow member

    2. ( as modifier )

      brother workers

  3. comrade; friend: used as a form of address

  4. Christianity

    1. a member of a male religious order who undertakes work for the order without actually being in holy orders

    2. a lay member of a male religious order

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

interjection

  1. slang an exclamation of amazement, disgust, surprise, disappointment, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

Brothers, brethren are plurals of brother. Brothers are kinsmen, sons of the same parents: My mother lives with my brothers. Brethren, now archaic in the foregoing sense, is used of male members of a congregation or of a fraternal organization: The brethren will meet at the church.

Other Word Forms

  • brotherless adjective
  • brotherlike adjective

Etymology

Origin of brother

First recorded before 1000; Middle English; Old English brōthor; cognate with Dutch broeder, German Bruder, Old Norse brōthir, Gothic brothar, Sanskrit bhrātṛ, Greek phrā́tēr, Latin frāter, Old Irish bráthair, Old Church Slavonic bratrŭ

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“My NBC soul brothers are taking care of it, so I can relax,” he assures his audience.

From Salon

He and his brother Matthew died in a cycling accident in August 2024, hours before their sister’s wedding.

From Salon

The Eastern Daily Press said Eddie's brother Harry described him as a "beloved son" and "the most amazing brother" in a post shared on social media.

From BBC

In the early morning, Florida resident Gisela Salgado headed to a local store with a bag stuffed with clothes, coffee and powdered milk to send to her brother in Cuba.

From Barron's

Most of its well-known screen adaptations, by contrast, are much less severe, the narration more direct, and the relationship between Catherine Earnshaw and her adopted brother Heathcliff firmly centered.

From Salon