Simple Definition of granddaddy
: someone or something that is the first or oldest one in a particular area or field
Full Definition of granddaddy
1 : grandfather 1a
2 : one that is the first, earliest, or most venerable of its kind
Examples of granddaddy
<the granddaddy of all English mystery novels>
First Known Use of granddaddy
Variants of granddaddy
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Thesaurus: All synonyms and antonyms for "granddaddy"
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