little sibling

noun

A younger brother or sister, often used when the sibling is perceived as younger or smaller, even if they are not necessarily children.

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Meanings

nounlittle sibling (plural little siblings)

plural little siblings

  1. A younger brother or sister, often used when the sibling is perceived as younger or smaller, even if they are not necessarily children.
Cite this entry
APA

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

MLA

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

Chicago

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

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