1. A morbidly frequent evacuation of the intestines.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• diarrea,
• diarhhea,
• diarhea,
• diarrhea,
• siarrhoea,
• xiarrhoea,
• ciarrhoea,
• fiarrhoea,
• riarrhoea,
• eiarrhoea,
• duarrhoea,
• djarrhoea,
• dkarrhoea,
• doarrhoea,
• d9arrhoea,
• d8arrhoea,
• dizrrhoea,
• disrrhoea,
• tiarrhoea,
• diarhaea

• Diarrhea,
• diorio.

The adjective form of the word "diarrhoea" is "diarrheal" or "diarrheic".

The plural form of the word "diarrhoea" is "diarrhoeas"

The singular form of the word "diarrhoea" is "diarrhea"