Meaning of “the grandaddy of sth” in the English Dictionary

british dictionary

"the grandaddy of sth" in British English

See all translations

the grandaddy of sth

mainly US informal

the biggest, most important, or most powerful event or person of their type:

"Modern Times" is a classic comedy starring Charlie Chaplin, the grandaddy of comic film actors.

(Definition of “the grandaddy of sth” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)