Half-sibling-in-law

noun

noun ·Rare ·Advanced level

Definitions

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

Etymology

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

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.