brothernoun [ C ]
uk/ˈbrʌð.ər/us/ˈbrʌð.ɚ/A1 a man or boy with the same parents as another person:
Do you have any brothers and sisters?
I have three brothers and a sister.
Johnny is my younger/older/big/baby/little brother.
My brother lives in Washington.
a man who is a member of the same group as you or who shares an interest with you or has a similar way of thinking to you:
[ as form of address ] "Let us unite, brothers and fight this unjust law!"
US informal sometimes used by a black man to address or refer to another black man
used as the title of a man, such as a monk, who belongs to a religious organization:
Brother Michael and Brother John were deep in conversation.
[ as form of address ] Bless you, Brother.
More examples
- I did reasonably well at school but nowhere near as well as my sister or brother.
- Paul is very similar in appearance to his brother.
- I had to make a speech at my brother's wedding.
- The brothers set up a clothes retailing business together.
- He's the best looking of the three brothers.
Thesaurus: synonyms and related words
Family: relations in general
- aunt
- auntie
- baby daddy
- be sb's own flesh and blood idiom
- birth mother
- fatherhood
- filial
- first cousin
- fraternal
- fraternal twin
- long-lost
- loved one
- maiden aunt
- maternal
- matriarch
- sisterhood
- son
- uncle
- working mother/father/parent
- your nearest and dearest idiom
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You can also find related words, phrases, and synonyms in the topics:
Organizations - position & status
Religious titles
Idiom(s)
I am not my brother's keeper