- frequent and copious discharge of abnormally liquid faeces
Collins Concise English Dictionary © HarperCollins Publishers::
diarrhoea, esp US diarrhea /ˌdaɪəˈrɪə/ n
di•ar•rhe•a or di•ar•rhoe•a /ˌdaɪəˈriə/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Pathologyan intestinal disorder characterized by frequent and loose bowel movements:a bad case of diarrhea.
di•ar•rhe•a
(dī′ə rē′ə),USA pronunciation n. [Pathol.]
di′ar•rhe′al, di′ar•rhe′ic, di•ar•rhet•ic
(dī′ə ret′ik),USA pronunciation di′ar•rhoe′al, di′ar•rhoe′ic, di′ar•rhoet′ic, adj.
- Pathologyan intestinal disorder characterized by abnormal frequency and fluidity of fecal evacuations.
- Greek diárrhoia a flowing through, equivalent. to diarrho- (variant stem of diarrheîn to flow through) + -ia -ia
- Late Latin diarrhoea
- 1350–1400; Middle English diaria
'diarrhoea' also found in these entries (note: many are not synonyms or translations):
cholera
- Clostridium difficile
- dysentery
- flux
- food poisoning
- irritable bowel syndrome
- paratyphoid fever
- paregoric
- pellagra
- pernicious anaemia
- radiation sickness
- rinderpest
- -rrhoea
- run
- scour
- shit
- sprue
- squit
- swine fever
- trichinosis
- trot
- diarrhea