Biological sister 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

BS abbreviation

BS is an abbreviation for Biological Sister
What does BS stand for?
BS stands for "Biological Sister"

Sister replaced

Definitions for Sister


  • (noun) a female person who has the same parents as another person
  • (noun) a female person who is a fellow member of a sorority or labor union or other group
  • (noun) ( slang ) sometimes used as a term of address for attractive young women