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also gran·dad·dy (grăn′dăd′ē)
n. pl. grand·dad·dies also gran·dad·dies Informal
1. A grandfather.
2. One that is the first, oldest, or most respected of its kind: the granddaddy of modern computers.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈgrænˌfɑ ðər, ˈgrænd-)

1. the father of one's father or mother.
2. a male ancestor.
grand′fa`ther•ly, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.granddaddy - the father of your father or mothergranddaddy - the father of your father or mother
grandparent - a parent of your father or mother
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
( Granddaddy Purple , also known as GDP, is one of the most popular indica strains available on the market.
In the homestead of Granddaddy Jake, where the family survives mainly on his home-brewed whisky and the bath and washing machines embedded in the soil outside the farmhouse.
Continuing a tradition dating back three generations on the Outer Banks of North Carolina that started with his "Granddaddy" the legendary Capt.
After 69 years, Geneva's Swedish Days, the "Granddaddy of Illinois Festivals," doesn't disappoint and always has something for everyone to enjoy.
Chic are behind some of the greatest tunes you've ever danced to and Nile Rodgers is the granddaddy of funk, disco, pop and every other genre of music out there.
At MCC's annual Miscast Gala (actors perform gender-swapped numbers), she took on that granddaddy of all Jewish American culture Fiddler on the Roof.
This novel-in-verse, the prequel to the Newbery Medal-winning The Crossover (2014), includes comic-style illustrations by Dawud Anyabwile that portray Charlie's hoop dreams, Granddaddy's pithy reflections on life and plenty of homespun philosophy drawn from basketball.
Shares of cryptocurrencies like Ripple, Ethereum and the granddaddy of all, Bitcoin are falling today, bringing the shares of related publicly-traded companies down with them.
My great-great granddaddy, seven generations back, owned slaves in Mississippi.
Despite the large number of similar shows, Watchdog remains the granddaddy of them all, and shows no sign of giving up its good work as it enters its 37th year on the box.
Junior has to share his room with his grandfather, who wants nothing more than for America to enter World War II (FDR is "yellow-bellied," unlike his cousin Theodore, according to Granddaddy).
The granddaddy of them all, the Survivor endurance challenge, has made it to its 33rd season.