indigestion
nounInability to digest or difficulty in digesting something, especially food.
nounDiscomfort or illness resulting from this inability or difficulty.
nounWant of digestion; incapability of or difficulty in digesting food; dyspepsia.
nounDiscomfort due to a lack of proper digestive action; a failure of the normal changes which food should undergo in the alimentary canal; dyspepsia; incomplete or difficult digestion.
nounA common medical
a disorder of digestive function characterized by discomfort or heartburn or nausea