(of food 食物 that cannot easily be digested in the stomach 不易消化的 an indigestible meal 难消化的一餐 Beans can be rather indigestible. 豆子可能相当难消化。
(of facts, information, etc. 事实、信息等 difficult to understand, and presented in a complicated way 难解的；复杂难懂的 an indigestible amount of data 难以消化的大量数据
opposite digestible
Word Originlate 15th cent.: via French from late Latin indigestibilis, from in- ‘not’ + digestibilis (from digest- ‘digested’, from the verb digerere, from di- ‘apart’ + gerere ‘carry’).