Meanings
- uncountableLack of digestion, or poor digestion.
The presence of food in any state of digestion or undigestion in the ileum must be a source of irritation and danger.
1905, Journal of the Medical Society of New Jersey, volume 2, page 2712 more examples
A new word was introduced recently into English — undigestion. This simply refers to a lack of movement of food in the stomach and small intestine and responds to treatment with domperidone.
2000, Trevor Stone, L. Gail Darlington, Pills, Potions and Poisons : How Drugs WorkWhen we arrived at one of those soda ponds, being a little backwash slough with a white deposit over the top, I collected a pocketful of dust that goes by the western name of “saleratus,” which is practically the identical same thing as baking soda, and really first-rate for undigestion.
2010, Robert Lewis Taylor, The Travels of Jaimie McPheeters
Origin
Cite this entry
undigestion. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/undigestion
“undigestion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undigestion. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “undigestion,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/undigestion.
Source: undigestion on Wiktionary, CC BY-SA 4.0.