See also: sibling in law

English

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Alternative forms

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Etymology

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From sibling +‎ -in-law.

Noun

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

  1. A relative of one's generation, separated by one degree of marriage:
    1. The sibling of one's spouse.
    2. The spouse of one's sibling.
  2. (uncommon) Co-sibling-in-law: A relative of one's generation, separated by two degrees of marriage:
    1. The spouse of the sibling of one's spouse.
    2. The sibling of the spouse of one's sibling.

Synonyms

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Hyponyms

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Derived terms

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Translations

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