great-grandmother
Americannoun
Usage
What does great-grandmother mean? A great-grandmother is the mother of a person’s grandparent (the grandmother of a person’s parent). When a mother’s child has their own children, that mother becomes a grandmother. When those children have their own children, she becomes a great-grandmother. Should great-grandmother be capitalized?Great-grandmother should be capitalized when it’s used as a proper name, as in Please tell Great-grandmother that I miss her. But great-grandmother does not need to be capitalized when it’s simply used as a way to refer to her, as in Please tell my great-grandmother that I miss her. Example: My kids were lucky enough to get to know three of their great-grandmothers.
Etymology
Origin of great-grandmother
First recorded in 1520–30
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.
She then explored eligibility through her great-grandmother, only to find that the rule changes bar that.
From Barron's • Jun. 7, 2026
Over the course of the show, Dowden learned Louisa, her paternal great-grandmother, died in 1921, aged 39, from breast cancer - which she herself was diagnosed with in 2023.
From BBC • Jun. 1, 2026
Netsi's mother died when she was young, and she was raised by her grandmother and great-grandmother on the farm where she had to "grow up fast".
From BBC • May 31, 2026
My Italian great-grandmother moved into the English Tudor in the 1940s on a street lined by deodars and palm trees.
From Los Angeles Times • Jan. 7, 2026
We all slept on the floor in one room, my mom and me, my aunt and my cousins, my uncle and my grandmother and my great-grandmother.
From "Born a Crime: Stories from a South African Childhood" by Trevor Noah
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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.