indigestible

These indigestible carbohydrates absorb and hold water, lending oatmeal its smooth and thick consistency, and help lower cholesterol, McGee says.

An adult would have to eat about eight castor beans—after first removing the indigestible skin—to die.

Can you imagine Blair, or even Obama, saying something quite so indigestible (as distinct, of course, from unpalatable)?

The indigestible parts are afterwards cast up in pellets in the same manner as with Hawks.

That's too weird, too indigestible—don't start hiccuping again.

A small crustacean very much resembling the lobster, but less indigestible.

Raisins with nuts will delight any child and if given with moderation will not prove indigestible.

If they are not prepared in an indigestible way, they are comparatively easy to digest.