Synonyms and Antonyms for brother
1. brother (n.)
a male with the same parents as someone else
2. foster-brother (n.)
your foster brother is a male who is not a son of your parents but who is raised by your parents
3. half-brother (n.)
a brother who has only one parent in common with you
4. brother-in-law (n.)
a brother by marriage
5. brother (n.)
a male person who is a fellow member (of a fraternity or religion or other group)
6. brother (n.)
used as a term of address for those male persons engaged in the same movement
