undigestible

[uhn-di-jes-tuh-buh l, -dahy-]

adjective

indigestible.

Origin of undigestible

First recorded in 1605–15; un-¹ + digestible

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for undigestible

Historical Examples of undigestible

It was the most undigestible sawdust I ever see; and Tom said the same.
Adventures of Huckleberry Finn, Complete
Mark Twain (Samuel Clemens)