half-sibling-in-law

noun

The half sibling of one's spouse.

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Meanings

nounhalf-sibling-in-law (plural half-siblings-in-law)

plural half-siblings-in-law

  1. The half sibling of one's spouse.
  2. The spouse of one's half sibling.
  3. The spouse of the half sibling of one's spouse.

Origin

From half-sibling + -in-law or half- + sibling-in-law.

Full word history & related roots →
Cite this entry
APA

half-sibling-in-law. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/half-sibling-in-law

MLA

“half-sibling-in-law.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/half-sibling-in-law. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “half-sibling-in-law,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/half-sibling-in-law.

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