Meaning ofstepsisterin English

Noun

1. daughter of a stepparent by a previous marriage; related by marriage
   My stepsister is very kind to me.
2. child of a parent's spouse; not a biological sibling
   Her stepsister from her father's previous marriage lives abroad.
3. child of one's stepparent; not a biological or half-sibling
   Her stepsister came to visit during the summer vacation.