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First-cousin definition

The son or daughter of one's uncle or aunt.
noun
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A person who shares common grandparents but not common parents.
noun
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The definition of a first cousin is the son or daughter of one of your parent's siblings.

An example of a first cousin is your aunt's child.

noun
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A child of a parent's sibling. A nephew or niece of a parent.
noun
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Other Word Forms

Noun

Singular:
first-cousin
Plural:
first-cousins

First-cousin Sentence Examples

  • Henry Seymour Conway's elder brother, Francis, 2nd Baron Conway, was created marquess of Hertford in 1793; his mother was a sister of Sir Robert Walpole's wife, and he was therefore first cousin to Horace Walpole, with whom he was on terms of intimate friendship throughout his life.

  • His father was first cousin to Richard Henry Lee.

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Words near first-cousin in the Dictionary