sister

Noun

• (slang) sometimes used as a term of address for attractive young women

• a female person who is a fellow member of a sorority or labor union or other group
  • none of her sisters would betray her
    

• (Roman Catholic Church) a title given to a nun (and used as a form of address)
  • the Sisters taught her to love God
    

• a female person who has the same parents as another person
  • my sister married a musician
    

Related words

• Synonyms: 
  baby , babe , Sister , sis
• Antonyms: 
  brother , blood brother