undigestible

American  

[uhn-di-jes-tuh-buhl, -dahy-] / ˌʌn dɪˈdʒɛs tə bəl, -daɪ- /

adjective

1. indigestible.

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Etymology

Origin of undigestible

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

Example Sentences

‘AMERICAN HEARTBREAK’ HAS 34 songs, an improbable number but not, apparently, an undigestible one.

From New York Times

Food can trigger symptoms, and a diet low in FODMAPs — undigestible carbohydrates — has gained many supporters.

From Nature

Ruminants play host to bacteria that digest the otherwise undigestible grass and other cellulose-rich plants those animals eat, making nutrients such as fatty acids available to the beasts the bacteria inhabit.

From Economist

It's believed to be associated with the undigestible beaks of the whale's principal food, the common cuttlefish, and squid.

From Scientific American

Components that are not essential nutrients but provide other benefits are only now being recognized, for example, “Human milk is full of undigestible matter,” German says.

From Slate