Biological brother Synonyms

Biological replaced

Definitions for Biological


  • (adjective) being such by blood and not by adoption or marriage
  • (adjective) pertaining to biology or to life and living things
  • (adjective) of parents and children; related by blood

Synonyms for phrase

BB abbreviation

BB is an abbreviation for Biological Brother
What does BB stand for?
BB stands for "Biological Brother"

Brother replaced

Definitions for Brother


  • (noun) a male with the same parents as someone else
  • (noun) a close friend who accompanies his buddies in their activities
  • (noun) a male person who is a fellow member (of a fraternity or religion or other group)