Meaning & use
great-grandma
The mother of one's grandmother or grandfather; an informal term for great-grandmother.
See it in a sentence
My great-grandma turned ninety-five last month and still lives on her own.
We visited great-grandma's old farmhouse over the holidays.
A note on using this word
Great-grandma is the informal, affectionate version of the more formal term great-grandmother.
Words with a similar meaning
great-grandmother
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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