grandsire
Americannoun
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a grandfather.
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Archaic.
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a forefather.
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an aged man.
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noun
noun
Etymology
Origin of grandsire
1250–1300; Middle English graunt-sire < Anglo-French. See grand-, sire
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.
Like COVID, unless you were there, it’s hard to believe the things that went on, but if you’re skeptical about what old grandsire tells you about the Great Gas Wars of the 1970s, believe him.
From Los Angeles Times ● Mar. 18, 2026
Unbridled’s grandsire, Mr. Prospector, is a legend in American horse racing.
From Washington Post ● May 5, 2022
Then I said to myself, "My Mary weeps For the dead to-day:Haply her blind old grandsire sleeps The fret and the pain of his age away."
From The Guardian ● Jun. 11, 2012
Joppy’s sire, Star Blen, was an undistinguished nonwinner, but her paternal grandsire, Blenheim II, had some serious sparkle.
From New York Times ● May 19, 2011
He drilled with an old fowling piece his grandsire had given him to shoot ducks on the Concord River.
From "Johnny Tremain" by Esther Hoskins Forbes
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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.