This is the 3861st most frequent French word.
adoptif
Relating to adoption or adoptive.
In this sentence, 'adoptive' refers to a familial relationship established through legal adoption, describing the sister.
Elle est ma sœur adoptive.
She is my adoptive sister.
Here, 'adoptif' is used to describe a parent who is not biologically related but has taken the legal role of a parent.
Il a un parent adoptif qui prend soin de lui.
He has an adoptive parent who takes care of him.
In this example, 'adoptif' is used to characterize families that have legally adopted children, indicating their status.