Definition of polydipsia in English:

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Pronunciation: /ˌpälēˈdipsēə/


Abnormally great thirst as a symptom of disease (such as diabetes) or psychological disturbance.
Example sentences
  • He reported classic symptoms of diabetes, including polydipsia, polyuria, fatigue, hunger, nausea, and vomiting.
  • A history of diabetic symptoms such as polydipsia, polyuria and weight loss may sometimes, but not always, be present.
  • Any patient treated with atypical antipsychotics should be monitored for symptoms of hyperglycemia including polydipsia, polyuria, polyphagia, and weakness.


Mid 17th century: from Greek poludipsios 'very thirsty', poludipsos 'causing great thirst', based on dipsa 'thirst'.

For editors and proofreaders

Syllabification: pol·y·dip·si·a

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