granddaddy of them all

The first, oldest, or most respected of its kind, as in That computer is the grandaddy of them all. [Colloquial; c. 1900]

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Nearby words

grandaunt, grandbaby, grandchild, granddad, granddaddy, granddaddy of them all, granddaughter, granddaughter cyst, grande, grande chartreuse, la, grande dame

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.