the grandaddy of sth
mainly US informalthe 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.
Thesaurus: synonyms and related words
Important and essential things
- -based
- amenity
- be-all
- big league
- biggie
- building block
- flagship
- grandaddy
- heavyweight
- hot button
- kernel
- keynote
- keystone
- nucleus
- pivot
- precondition
- prerequisite
- priority
- requisite
- sine qua non
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