INDIGESTIBLE
indigestible
(adjective) digested with difficulty
Source: WordNet® 3.1
Etymology
Adjective
indigestible (comparative more indigestible, superlative most indigestible)
Difficult or impossible to digest.
(by extension) Difficult to accept; unpalatable.
Noun
indigestible (plural indigestibles)
Anything that is difficult to digest.
Source: Wiktionary
In`di*gest"i*ble, a. Etym: [L. indigestibilis: cf. F. indigestible.
See In- not, and Digest.]
1. Not digestible; not readily soluble in the digestive juices; not
easily convertible into products fitted for absorption.
2. Not digestible in the mind; distressful; intolerable; as, an
indigestible simile. T. Warton.
– In`di*gest"i*ble*ness, n.
– In`di*gest"i*bly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition