obe·​si·​ty | \ ō-ˈbē-sə-tē How to pronounce obesity (audio) \

Definition of obesity

: a condition characterized by the excessive accumulation and storage of fat in the body Obesity affects not just appearance, but disease processes as well.— Malorye Allison

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Examples of obesity in a Sentence

obesity has been linked to a number of health risks, such as heart disease

Recent Examples on the Web

That is a remarkably large health effect—on the order of entirely eliminating obesity among black men. The Economist, "Black men in America are living almost as long as white men," 14 June 2019 Preliminary research published in JAMA Internal Medicine suggests that sleeping with the TV or other lights on can mix up your metabolism and lead to weight gain and even obesity. Meghan Overdeep, Southern Living, "Uh Oh, Sleeping with the TV on May Lead to Weight Gain," 11 June 2019 Mounting research suggests disrupting that typical sleep-wake cycle may contribute to poor health, increasing risks for high blood pressure, diabetes, depression and obesity. Lindsey Tanner, BostonGlobe.com, "Sleeping with the TV on may make you gain weight," 10 June 2019 Alabama has some of the highest rates in the nation of chronic conditions like heart disease and diabetes and obesity that endanger pregnant women. Anna Claire Vollers | Avollers@al.com, al.com, "Deaths from pregnancy and child birth are often preventable; Alabama finally starts to take notice," 9 June 2019 The condition, marked by a buildup of fat and scarring in the liver, is thought to afflict 50 million Americans, many of them already sick from obesity and diabetes. Riley Griffin, Bloomberg.com, "Intercept Tries to Outrun Pharma in Race for the Next Blockbuster," 10 Apr. 2019 The nation’s growing obesity epidemic was first identified as a problem in the 1990s. Mike Stobbe, The Seattle Times, "US cancer death rate hits milestone: 25 years of decline," 8 Jan. 2019 In her research, Holt-Lunstad has found that the physical impact of loneliness is comparable to that of obesity. Maggie Bullock, Vogue, "Is Telefitness the Wave of the Future? Or Another Way Tech Is Keeping Us Apart?," 15 May 2019 But with that in mind, the study of probiotics and obesity looks promising, though the specific link not entirely clear. Beth Janes, Good Housekeeping, "Everything You Need to Know About Probiotics, According to Experts," 11 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'obesity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of obesity

circa 1611, in the meaning defined above

History and Etymology for obesity

borrowed from Middle French & Latin; Middle French obesité, borrowed from Latin obēsitāt-, obēsitās, from obēsus "fat, stout" + -itāt-, -itās -ity — more at obese

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Statistics for obesity

Last Updated

17 Jun 2019

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Time Traveler for obesity

The first known use of obesity was circa 1611

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More Definitions for obesity


obe·​si·​ty | \ ō-ˈbē-sət-ē How to pronounce obesity (audio) \
plural obesities

Medical Definition of obesity

: a condition that is characterized by excessive accumulation and storage of fat in the body and that in an adult is typically indicated by a body mass index of 30 or greater

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Comments on obesity

What made you want to look up obesity? Please tell us where you read or heard it (including the quote, if possible).


incapable of being surmounted or overcome

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