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grandnephew

American  
[gran-nef-yoo, -nev-yoo, grand-] / ˈgrænˌnɛf yu, -ˌnɛv yu, ˈgrænd- /

noun

  1. a son of one's nephew or niece.


grandnephew British  
/ ˈɡrænd-, ˈɡrænˌnɛvjuː, -ˌnɛfjuː /

noun

  1. another name for great-nephew

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of grandnephew

First recorded in 1630–40; grand- + nephew

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Another relative, Raúl Castro’s grandnephew Oscar Pérez-Oliva, has rapidly climbed Cuba’s political ladder and is seen as a potential successor to President Miguel Díaz-Canel.

From The Wall Street Journal • Apr. 14, 2026

Joe Kennedy III, a former House member and grandnephew of the late president, said that "the Kennedy Center is a living memorial to a fallen president and named for President Kennedy by federal law".

From BBC • Dec. 24, 2025

When D’Amaro unveiled “A Magical Life” last summer, he did so noting he had the support of the Disney family, singling out Disney’s grandnephew, Roy P. Disney, who was in the audience.

From Los Angeles Times • May 2, 2025

Around January 1998, Thomas’ life changed when he took in his 6-year-old grandnephew, becoming his legal guardian and raising him as a son.

From Salon • Dec. 18, 2023

Although in his day-dreaming he had often pictured himself a nephew, grandnephew, or even a grandson, of Merchant Lyte, he had never once believed the relationship was that close.

From "Johnny Tremain" by Esther Hoskins Forbes