Wiktionary
half sisters
n. (half sister English)
Usage examples of "half sisters".
What galled me excessively was that most of my halfblood half sisters were far prettier than any of the full blood, with the exception of Silma, my next oldest sister.
Maia felt her face redden, and wished she was more like her Lamai mothers and half sisters, whose visages never betrayed emotion, save by careful calculation.
Truth be told, I can hardly stand to be around the wretched woman, but that does not mean my love for her is any less than the love you bear your half sisters.