great-grandfather
Americannoun
Usage
What does great-grandfather mean? A great-grandfather is the father of a person’s grandparent (the grandfather of a person’s parent). When a father’s child has their own children, that father becomes a grandfather. When those children have their own children, he becomes a great-grandfather. Should great-grandfather be capitalized?Great-grandfather should be capitalized when it’s used as a proper name, as in Please tell Great-grandfather that I miss him. But great-grandfather does not need to be capitalized when it’s simply used as a way to refer to him, as in Please tell my great-grandfather that I miss him. Example: My kids were lucky enough to get to know three of their great-grandfathers.
Etymology
Origin of great-grandfather
First recorded in 1505–15
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.
"My great-grandfather was a steelworker, my grandfather was a steelworker, and then basically all my uncles from the next generation down were in the steelworks as well."
From BBC • May 31, 2026
A statement from the family, provided to People, described Gibb as a father, grandfather, great-grandfather, brother, uncle, friend and actor.
From Los Angeles Times • May 13, 2026
One person who has witnessed NWT's growth first hand is assistant warden Bernard Bishop, who is following in his great-grandfather and father's footsteps.
From BBC • Mar. 8, 2026
Prosser’s son, who has two children, has been absent for the death of his great-grandfather, his sister’s divorce and his brother’s health problems during the Ford’s current deployment, his father said.
From The Wall Street Journal • Feb. 21, 2026
“A long-lost diary,” he continued, “regarding a doomed voyage undertaken by Lord Fredrick Ashton’s great-grandfather, Admiral Percival Racine Ashton. According to the archives, the book is part of the holdings of the Ashton library.”
From "The Interrupted Tale" by Maryrose Wood
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.