(1) - Indigestible (a.) Not digestible in the mind; distressful; intolerable; as, an indigestible simile. (2) - Indigestible (a.) Not digestible; not readily soluble in the digestive juices; not easily convertible into products fitted for absorption.
(1) - Indigestion (n.) Lack of proper digestive action; a failure of the normal changes which food should undergo in the alimentary canal; dyspepsia; incomplete or difficult digestion.