Dictionary.com
definitions
  • synonyms

foster sister

See more synonyms on Thesaurus.com
noun
  1. a girl brought up with another child of different parents.

Origin of foster sister

First recorded in 1640–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for foster sister

Historical Examples

  • For the moment Dan forgot his complaint in the tender thought of his foster-sister.

    The Inn at the Red Oak

    Latta Griswold

  • She drew her foster-sister away from Lennon with a grasp as resolute as it was gentle.

    Bloom of Cactus

    Robert Ames Bennet

  • Yet she was no less mystified than Lennon by her foster-sister's manner.

    Bloom of Cactus

    Robert Ames Bennet

  • Elsie struggled free from Lennon to fling her arms about her foster-sister.

    Bloom of Cactus

    Robert Ames Bennet

  • Carmena checked her indignant protest and gazed down at her foster-sister.

    Bloom of Cactus

    Robert Ames Bennet