adoptive sibling

noun

A person who is not one's biological sibling, but was legally and socially raised as if they were.

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Meanings

nounadoptive sibling (plural adoptive siblings)

plural adoptive siblings

  1. A person who is not one's biological sibling, but was legally and socially raised as if they were.

Translations

Finnish adoptiosisarus
  • adoptiosisarusadoptive sibling
Cite this entry
APA

adoptive sibling. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/adoptive%20sibling

MLA

“adoptive sibling.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/adoptive%20sibling. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “adoptive sibling,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/adoptive%20sibling.

Source: adoptive sibling on Wiktionary, CC BY-SA 4.0.