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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

GameStop, the granddaddy of meme stocks, has soared suddenly and sharply.

From Seattle Times • May 14, 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

My granddaddy says you never take big gifts that seem to be for no reason, because there’s a chance that there’s a big reason you can’t afford.

From "On the Come Up" by Angie Thomas