adjective. not thought over and arranged systematically in the mind; not absorbed or assimilated mentally.
adjective. not digested.
1. Adjective Intestinal gas can result from swallowed air, but it also forms when bacteria break down undigested food. 2. Verb, past participle Whole flaxseed may pass through your intestine undigested, which means you could miss out on all of the benefits. 3. Verb, past tense It's recommended that you grind the seeds so they don't pass through the cat's system undigested.