1. difficult or impossible to digest or break down in the stomach
2. difficult to understand, process, or accept mentally
Usage: figurative

Examples

• The fatty meal was completely indigestible and made him sick.
• Raw vegetables can be indigestible for some people with sensitive stomachs.
• The dense academic text was indigestible for most students.
• She found his crude jokes indigestible and left the room.
• Beans are often indigestible if not cooked properly.
• The complex financial report was indigestible without proper explanation.