1. A female who has been legally taken into a family and raised as a daughter, creating a sister relationship with biological or other adopted children in the family
She considers her adopted sister her closest friend and confidant.
Ela considera sua irmã adotiva sua melhor amiga e confidente.
2. A woman who is not biologically related but is treated and regarded as a sister
My adopted sister and I grew up together and share many memories.
Minha irmã adotiva e eu crescemos juntas e compartilhamos muitas memórias.