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granddaddy

noun grand·dad·dy \ ˈgran-ˌda-dē \
variants: or less commonly grandaddy
|Updated on: 3 Aug 2018

Definition of granddaddy

1 : grandfather 1a
2 : one that is the first, earliest, or most venerable of its kind

See granddaddy defined for English-language learners

Examples of granddaddy in a Sentence

  1. the granddaddy of all English mystery novels

Recent Examples of granddaddy from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'granddaddy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of granddaddy

1648

in the meaning defined at sense 1

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granddaddy Synonyms

Synonyms

ancestor, antecedent, archetype, daddy, foregoer, forerunner, precursor, predecessor, prototype;

Antonyms

descendant (also descendent);

Near Antonyms

by-product, derivative, offshoot, outgrowth, spin-off;

daughter, son;

Related Words

model, original;

originator, sire;

father, mother;

GRANDDADDY Defined for English Language Learners

granddaddy

noun

Definition of granddaddy for English Language Learners

  • : someone or something that is the first or oldest one in a particular area or field

Learn More about granddaddy

  1. See words that rhyme with granddaddy Thesaurus: All synonyms and antonyms for granddaddy

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