stepsister-in-law

noun

A stepsister of one's spouse.

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Meanings

nounstepsister-in-law (plural stepsisters-in-law)

plural stepsisters-in-law

  1. A stepsister of one's spouse.

Origin

From step- + sister-in-law or stepsister + -in-law.

Full word history & related roots →
Cite this entry
APA

stepsister-in-law. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/stepsister-in-law

MLA

“stepsister-in-law.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/stepsister-in-law. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “stepsister-in-law,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/stepsister-in-law.

Source: stepsister-in-law on Wiktionary, CC BY-SA 4.0.