half-sister
US /ˈhæfˌsɪs.tər/
UK /ˈhæfˌsɪs.tər/

1.
saudara tiri perempuan
a sister with whom one shares only one parent
:
•
My half-sister and I have the same mother but different fathers.
Saudara tiri saya dan saya memiliki ibu yang sama tetapi ayah yang berbeda.
•
She grew up with her half-sister after their parents remarried.
Dia tumbuh bersama saudara tirinya setelah orang tua mereka menikah lagi.