walking encyclopedia
A very knowledgeable person, as in Ask Rob—he's a walking encyclopedia of military history. A similar expression, a walking dictionary, was used by George Chapman in his poem “Tears of Peace” (c. 1600).
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use walking encyclopedia in a sentence
I found her most intelligent and so far as my career on and off the stage was concerned she was a walking encyclopedia.
Nat Goodwin's Book | Nat C. GoodwinBlind Tom's memory was a blank on most subjects, but he was a walking encyclopedia on music.
The Trained Memory | Warren HiltonHe knew precisely what she would say; Ann was a kind of walking encyclopedia of the conventions.
Impact | Irving E. CoxAs a "professor" I always felt myself a sham, with its chief duties of being a walking encyclopedia of erudition.
The Letters of William James, Vol. II | William JamesIn fact I was a veritable walking-encyclopedia filled with a mass of information, most of which was of no earthly account.
Confessions of a Neurasthenic | William Taylor Marrs
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