/ ˌɪndɪˈdʒestəbl; NAmE / adjective
1.
( of food ) that cannot easily be digested in the stomach :
an indigestible meal
2.
( of facts, information, etc. ) difficult to understand, and presented in a complicated way
OPP digestible
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WORD ORIGIN
late 15th cent.: via French from late Latin indigestibilis , from in- not + digestibilis (from digest- digested, from the verb digerere , from di- apart + gerere carry).