granddaddy

noun

grand·​dad·​dy ˈgran-ˌda-dē How to pronounce granddaddy (audio)
variants or less commonly grandaddy
Synonyms of granddaddynext
1
: grandfather sense 1a
2
: one that is the first, earliest, or most venerable of its kind

Synonyms of granddaddy

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Examples of granddaddy in a Sentence

the granddaddy of all English mystery novels
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
NetJets, the granddaddy of private aviation companies, has been at it for awhile—Berkshire Hathaway acquired the company in 1998, and its fleet keeps on expanding, with 80+ new jets to be added into their fleet in 2026. — Debra Kamin, Condé Nast Traveler, 20 Oct. 2026 TomTom Another granddaddy in the mapping world, TomTom helped popularize GPS route mapping with the 2004 release of its TomTom GO, which the Dutch company says was the world’s first all-in-one portable satellite navigation device. — Kelvin Chan, Los Angeles Times, 8 Oct. 2026 The granddaddy of them all is Johnson County Old Settlers, which has drawn crowds to downtown Olathe since 1898. — Dan Kelly, Kansas City Star, 2 Sep. 2026 Heck, this is barely even your granddaddy's game anymore. — Zach Dean Outkick, FOXNews.com, 18 June 2026 See All Example Sentences for granddaddy

Word History

First Known Use

1648, in the meaning defined at sense 1

Time Traveler
The first known use of granddaddy was in 1648

Rhymes for granddaddy

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Browse Nearby Words

granddad
granddaddy
granddaddy graybeard
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Cite this Entry

“Granddaddy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/granddaddy. Accessed 28 Oct. 2026.

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