WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. not digested
adj. not thought over and arranged systematically in the mind; not absorbed or assimilated mentally
Word Usage
"The food that is not digested in the stomach and small intestine moves to the large intestine for breakdown; this includes carbohydrates such as undigested fibre from fruits and veggies or lactose after eating dairy products."