Synonyms for (noun) blood brother

Synonyms: blood brother

Definition: a male sworn (usually by a ceremony involving the mingling of blood) to treat another as his brother

Similar words: ally, friend

Definition: an associate who provides cooperation or assistance

Usage: he's a good ally in fight

Synonyms: brother, blood brother

Definition: a male with the same parents as someone else

Usage: my brother still lives with our parents

Similar words: male sibling

Definition: a sibling who is male