granddaddy

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grand·dad·dy

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.

grand•fa•ther

(ˈgrænˌfɑ ðər, ˈgrænd-)

n.

1. the father of one's father or mother.

2. a male ancestor.

[1375–1425]

grand′fa`ther•ly, adj.

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Noun

granddaddy - the father of your father or mother

gramps, grandad, granddad, grandfather, grandpa

grandparent - a parent of your father or mother

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