Word Explorer

Brother

/ˈbɹɐðɘ(ɹ)/

Son of the same parents as another person.

Full Dictionary Entry

📖 Definitions of "Brother"

noun

1
Son of the same parents as another person.
2
A male having at least one parent in common with another (see half-brother, stepbrother).
3
A male fellow member of a religious community, church, trades union etc.
"I would like to thank the brother who just spoke."
4
A form of address to a man.
"Listen, brother, I don't know what you want, but I'm not interested."

verb

1
To treat as a brother.

interjection

1
Expressing exasperation.
"We're being forced to work overtime? Oh, brother!"

🔄 Synonyms of "Brother"

9 synonyms found via WordNet and Google Books.

Word	Definition
fellownoun	(chiefly in the plural, also figuratively) A companion; a comrade.
comradenoun	A mate, companion, or associate.
cronynoun	(informal, originally Cambridge University) A close friend.
buddynoun	A friend or casual acquaintance.
chumnoun	(dated) A friend; a pal.
sidekicknoun	(informal) An assistant to another person, especially to a superior or more important person.
sisternoun	A daughter of the same parents as another person; a female sibling.
blood brothernoun	An unrelated male considered to share a brother-like relationship established by a ceremonial sharing of blood in some cultures.
palnoun	(colloquial) A friend, buddy, mate, cobber; someone to hang around with.

↔️ Antonyms of "Brother"

Words with the opposite meaning.

Word	Definition
sisnoun	(British) Initialism of Secret Intelligence Service. [(UK, formal) MI6]
sisternoun	A daughter of the same parents as another person; a female sibling.

💡 Words with a Similar Meaning to "Brother"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
blood brothernoun	An unrelated male considered to share a brother-like relationship established by a ceremonial sharing of blood in some cultures.
sisternoun	A daughter of the same parents as another person; a female sibling.
buddynoun	A friend or casual acquaintance.
chumnoun	(dated) A friend; a pal.
comradenoun	A mate, companion, or associate.
fellownoun	(chiefly in the plural, also figuratively) A companion; a comrade.
cronynoun	(informal, originally Cambridge University) A close friend.
sidekicknoun	(informal) An assistant to another person, especially to a superior or more important person.
related	Standing in relation or connection.
palnoun	(colloquial) A friend, buddy, mate, cobber; someone to hang around with.
related to	being connected or associated
siblingnoun	A person who shares a parent; one's brother or sister who one shares a parent with.
cousinnoun	(specifically) When used without a qualifying word: the child of a person's parent's brother (that is, an uncle) or sister (an aunt); a cousin-german, a first cousin.
nephewnoun	A son of one's sibling, brother-in-law, or sister-in-law; either a son of one's brother (fraternal nephew) or a son of one's sister (sororal nephew).
stepbrothernoun	The son of one's stepparent by a previous relationship.
brother-in-lawnoun	The brother of one's spouse.
sisterly	In the manner of a sister, behaving as one would expect of a sister; as a sister, as sisters.
sonnoun	One's male offspring.
fathernoun	A male parent, especially of a human; a male who parents a child (which he has sired, adopted, fostered, taken as his own, etc.).
half-brothernoun	Alternative spelling of half brother. [A male sibling sharing a single parent, as distinguished from a full brother or brother-german, from a step-brother, or from a brother-like figure such as a blood brother.]