noun
- a daughter of one’s stepparent by a previous marriage
Examples
- My stepsister moved in with us when my dad remarried.
- She gets along well with her new stepsister.
- The two stepsisters share a bedroom in their blended family.
- Her stepsister is three years older than she is.
- They became close friends even though they’re only stepsisters.
- The wedding brought together two families, including his stepsister from California.