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 (pŏl′ē-fā′jē-ə, -jə) or po·lyph·a·gy (pə-lĭf′ə-jē)
1. An excessive or pathological desire to eat.
2. Zoology The habit of feeding on many different kinds of food.

pol′y·pha′gi·an adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Pathology)
a. an abnormal desire to consume excessive amounts of food, esp as the result of a neurological disorder
b. an insatiable appetite
2. (Zoology) the habit of certain animals, esp certain insects, of feeding on many different types of food
[C17: New Latin, from Greek, from poluphagos eating much; see poly-, -phagy]
polyphagous adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpɒl iˈfeɪ dʒi ə, -dʒə)

excessive desire to eat.
[1685–95; < New Latin < Greek polyphagía; see poly-, -phagy]
pol`y•pha′gi•an, n., adj.
po•lyph•a•gist (pəˈlɪf ə dʒɪst) n.
po•lyph′a•gous (-gəs) pol`y•phag′ic (-ˈfædʒ ɪk, -ˈfeɪ dʒɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

polyphagia, polyphagy

1. a desire for all kinds of food.
2. Med. excessive or gluttonous consumption of food. — polyphagian, n.polyphagic, polyphagous, adj.
See also: Food and Nutrition
Pathology. excessive appetite or excessive eating.
See also: Disease and Illness
the tendency to eat a wide variety of food. — polyphagist, n.polyphagic, adj.
See also: Biology
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Digital management is helpful in the management of the symptoms of diabetes such as polyuria, polydipsia, and polyphagia. A large number of medical practitioners are using mHealth and have estimated that diabetes would reach its highest market limit in the next 5 years.
Profile of Symptoms of Patients with Diabetes Mellitus Percentage of Cases polyuria 82.35% polydipsia 80% Tiredness 50.59% polyphagia 24.70% Fever 24.71% Nocturia 24.70% pain abdomen 22.35% weight loss 20% vomiting 20% fast breathing 12.94% headache 2.35% seizure 2.35% Note: Table made from bar graph.
(1) Generally, AGD occurs as a postoperative complication, but can also be seen in anorexia nervosa and bulimia, psychogenic polyphagia, trauma, electrolyte disturbances, and gastric volvulus.
The diagnosis of diabetic patients in the observation group was in accordance with the diagnostic standard of WHO for diabetes:9 having typical symptoms of polydipsia, polyphagia, polyuria and emaciation, 7 mmol/L higher fasting blood glucose, or 11.1 mmol/L higher random blood glucose, and 11.1 mmol/L higher two hour blood glucose with 75 g glucose tolerance test.
Moreover, the clinical symptoms of diabetes, such as an increase in hunger (polyphagia), thirst (polydipsia) and urine frequency (polyuria), were exhibited in the STZ diabetic rats.
Patients with high blood sugar typically experience polyuria (frequent urination), they become increasingly thirsty (polydipsia) and hungry (polyphagia).
(1) Monitoring of weight and symptoms of hyperglycemia, including polydipsia, polyuria, polyphagia, and weakness, are recommended for patients treated with atypical antipsychotics (1)
Material and Methods: Admitted in active service soldiers with polyuria, polydipsia, polyphagia, weight changes and delayed wound healing in the Medical ward during this period meeting the criteria of DM according to American diabetic association (ADA) guidelines were included in this study.
Polyphagia, emaciation, polyuria, and polydipsia are commonly reported clinical signs of diabetic birds while signs of central neuropathy have not been reported or observed.
[13] Among the participants who were aware of the symptoms, 18.1% knew about polyuria, and among the diabetics, 45.3% were aware of it followed by 35.9% of the diabetics were aware of polydypsia, 23.4% of polyphagia, and 15.6% of them knew about unexplained weight loss.
The following symptoms are commonly monitored in diabetes patients regardless of their type: hyperglycemia, glycosuria, diuresis, decreased carbohydrate utilization, increased fat and protein catabolisms, weight loss and polyphagia, loss of resistance to infection, bilateral cataracts, coma, and death.
Diabetes mellitus is an unremitting endocrine disease that symbolize a disorder in the metabolism of glucose, carbohydrates, proteins, and lipids, and it is categorized by the incapability of the organ to resist or produce insulin.A1 Diabetic patient presents with typical symptoms: Polydipsia, polyuria, and polyphagia, which are frequently related with chronic fatigue and weight loss.2