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grandnephew

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noun grand·neph·ew \ˈgran(d)-ˈnef-(ˌ)yü, chiefly British -ˈnev-\

Definition of grandnephew

  1. :  a grandson of one's brother or sister



Circa 1639

First Known Use of grandnephew

circa 1639


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to lessen in amount, effect, or force

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