What does dysentery mean?
Dysentery is a disease of the intestines that causes severe diarrhoea containing blood and mucus, accompanied by abdominal pain and fever. It arises from infection by certain bacteria (as in bacillary dysentery) or amoebas (as in amoebic dysentery), typically transmitted through contaminated food or water where sanitation is inadequate. Although now largely confined to areas with poor hygiene infrastructure, dysentery was for centuries one of humanity's deadliest diseases, killing vast numbers of soldiers on military campaigns and shaping the outcomes of wars long before antibiotics offered effective treatment. In modern English it functions as an uncountable medical noun, with the adjective "dysenteric" available for technical use. The word carries strong connotations of squalor, hardship, and historical suffering, which makes it a vivid term in both medical writing and narrative history.
nounA disease of the intestines marked by severe diarrhoea with blood and mucus in the stools, caused by infection from bacteria, parasites, or amoebas.
- An infectious disease of the intestines causing severe diarrhoea with blood and mucus, caused by bacteria (bacillary dysentery) or amoebas (amoebic dysentery).
"Poor sanitation in the camp led to an outbreak of dysentery among the soldiers."
"Contaminated drinking water spread dysentery rapidly through the refugee camp."
"During the Crimean War, far more men died of dysentery than of battlefield wounds."
Rarely used; dysentery is normally uncountable. A plural may appear when distinguishing between different varieties or instances of the disease.
"Historical medical texts distinguished several dysenteries based on their differing causes and courses."
For centuries, dysentery killed more soldiers than enemy weapons did — it was the true scourge of armies from antiquity to World War I.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of dysentery
The word dysentery derives from the Greek "dysenteria", combining "dys-" (bad, difficult) with "enteron" (intestine, gut), so it literally means "bad bowels". It entered English via Latin in the late 14th century, making it a longstanding part of the medical vocabulary. The same Greek root "enteron" underlies related terms such as "enteritis", while the prefix "dys-" recurs in words like "dyspepsia" and "dysfunction".
Related word forms
How dysentery is actually used
A formal medical term, though widely understood in general usage. It appears most often in historical accounts of warfare, travel writing about regions with poor sanitation, and public-health contexts. The adjectival form is "dysenteric".
Easily confused with dysentery
Diarrhoea is any abnormally frequent or loose bowel movement, whereas dysentery is a specific infectious disease characterised by blood and mucus in the stools.