sister

Definitions

1. noun

   A girl or woman with the same parents as you.

   Examples

   • My sister and I grew up in the same town.
   • She has two brothers and one sister.
   ≈sis≠brother
2. noun

   A woman who belongs to a religious order, such as a nun.

   Examples

   • The sister ran the church's food bank.
   • Several sisters taught at the local school.
   ≈nun
3. noun

   A kind of butterfly with dark wings, named after a nun's clothes.

   Examples

   • The sister butterfly has dark wings like a nun's dress.
   • Scientists named the sister butterfly for its dark wings.
4. noun

   A senior nurse who leads a hospital ward.

   Examples

   • The ward sister checked on every patient before her shift ended.
   • She trained for years to become a hospital sister.
   ≈charge nurse
5. noun

   A woman you feel close to, like family, through friendship or a shared group.

   Examples

   • Connie was so close to Judy that she called her a sister.
   • The women in the club called each other sisters.
6. noun

   In informal speech, a Black woman.

   Examples

   • She greeted the sister at the door with a smile.
   • The sisters at the meeting shared their stories.
7. noun

   An informal way to call out to a woman.

   Examples

   • What is up, sister?
   • Listen, sister, I have a job for you.
   ≈darling≈dear≈love≈lady≈miss +1 more
8. noun

   A woman who belongs to the same church, union or group.

   Examples

   • She called the congregation her sisters in faith.
   • The union welcomed its newest sister at the meeting.
9. noun

   Linked to another thing in a close and friendly way.

   Examples

   • The magazine has a sister publication in Spain.
   • Our town has a sister city in Japan.
   ≈affiliate≈affiliated
10. noun

    In computing, a data item that has the same parent as another.

    Examples

    • Two nodes with the same parent are sisters in the tree.
    • The program compares a node with its sister before joining them.