stepsister

noun

A girl or woman who is the child of one's stepparent from an earlier relationship.

Example sentence

“My stepsister is coming to stay with us over the holidays.”

Distinct from a half-sister, who shares one biological parent with you. Cinderella's stepsisters are the most famous examples.

Related words

stepchildA child that one's husband or wife had with a previous partner.stepbrotherA boy or man who is the child of one's stepparent from an earlier relationship.godchildA child for whom a godparent takes responsibility at their baptism.stepdaughterA daughter that one's husband or wife had with a previous partner.godsonA boy for whom a godparent takes responsibility at his baptism.stepsonA son that one's husband or wife had with a previous partner.