sister
1. [ noun ] a female person who has the same parents as another person
Synonyms: sis
Examples:

"my sister married a musician"

Related terms: brother female_sibling half_sister little_sister big_sister
2. [ noun ] a female person who is a fellow member of a sorority or labor union or other group
Examples:

"none of her sisters would betray her"

Related terms: member beguine sorority sisterhood
3. [ noun ] (Roman Catholic) a title given to a nun (and used as a form of address)
Examples:

"the Sisters taught her to love God"

Related terms: nun sisterhood Roman_Catholic
4. [ adjective ] being associated as a companion or associate
Synonyms: fellow brother
Examples:

"fellow traveler" "brother workers" "sister ship"

Related terms: related
5. [ noun ] (slang) sometimes used as a term of address for attractive young women
Synonyms: baby
Related terms: girl cant
Similar spelling:   sisterly
  Sistrunk
  Sester
  Sistrurus