Step-sibling Definition
noun
The offspring of one's stepfather or stepmother who is not the offspring of one's mother and is not the offspring of one's father.
Wiktionary
The stepchild of one's father or mother which is not one's half-sibling.
Wiktionary
Other Word Forms of Step-sibling
Noun
Singular:
step-sibling
Plural:
step-siblingsRelated Articles
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