foster sister

1. 1.

   your foster sister is a female who is not a daughter of your parents but who is raised by your parents

   Synonymsfoster-sister

   Broaderfemale

Questions about foster sister

What does foster sister mean?

foster sister means "your foster sister is a female who is not a daughter of your parents but who is raised by your parents".

What is another word for foster sister?

Close synonyms include foster-sister. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is foster sister a common word?

foster sister is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.