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.
But Runhappy’s sire, Super Saver, won the 2010 Derby, and So Happy’s grandsire on his mother’s side is Blame, who captured the Breeders’ Cup Classic later that year at Churchill Downs.
From Los Angeles Times ● May 2, 2026
Indy is also the grandsire of the aforementioned Tapit.
From Washington Post ● Jun. 9, 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
His great grandsire is Blushing Groom, the sire of a phenomenal runner, Blushing John, who ran some awesome races to Sunday Silence, and Easy Goer in 1988.
From New York Times ● May 5, 2011
‘Forlong has come,’ Bergil answered; ‘old Forlong the Fat, the Lord of Lossarnach. That is where my grandsire lives. Hurrah! Here he is. Good old Forlong!’
From "The Return of the King" by J.R.R. Tolkien
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.