In-law meaning

ĭnlô
Frequency:
Alternative spelling of in-law.
noun
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A relative by marriage.
noun
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A relative by marriage.
noun
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Being a (specified type of relative) by marriage, not by descent in the same family line.
affix
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(UK, law, historical) To clear of outlawry or attainder; to place under the protection of the law.

verb
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A relative by marriage (through affinity). Affinal relative; affine.
noun
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Sometimes specifically a parent-in-law of one's child, for which the dedicated terms co-mother-in-law, co-father-in-law are rare.
noun
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Origin of in-law

  • Back-formation from such compounds as mother-in-law

    From American Heritage Dictionary of the English Language, 5th Edition