also step-sister
(~s)
Someone’s ~ is the daughter of their stepfather or stepmother.
N-COUNT: oft poss N
also step-sister
(~s)
Someone’s ~ is the daughter of their stepfather or stepmother.
N-COUNT: oft poss N
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012