1. substances or foods that cannot be digested by the stomach or intestines
Usage: typically plural; medical/nutritional context

Examples

• Fiber and cellulose are common indigestibles that pass through the digestive system.
• The doctor explained that certain indigestibles in the diet can help with bowel regularity.
• Seeds and husks are indigestibles that many people cannot break down.
• Consuming too many indigestibles at once may cause discomfort.
• The nutritionist discussed which indigestibles are beneficial for digestive health.