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Definitions

granddaddy

[gran-dad-ee] / ˈgrænˌdæd i /


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.

There are loads of conspiracy theories out there, the granddaddy of them all being the conjecture surrounding John F. Kennedy’s assassination.

From Los Angeles Times • Jul. 20, 2025

“The Tonight Show” is the granddaddy of the desk-and-sofa format, debuting in 1954 with Steve Allen as host and reaching its cultural apex with the three-decade run of Johnny Carson.

From Los Angeles Times • Sep. 6, 2024

If you get lost in the luminous orange peepers of housecats or the baby blues of white tigers, thank the granddaddy of all felines—an ocelotlike creature that lived more than 30 million years ago.

From Science Magazine • Nov. 13, 2023

In an era facing both a reborn nuclear threat and global climate catastrophe, the granddaddy of movie monsters still has a lot to tell humanity.

From Scientific American • Nov. 3, 2023

According to my granddaddy, Jacksons don’t cry—we suck it up and deal with it.

From "On the Come Up" by Angie Thomas