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 Among 12- to 15-year-olds, the study showed a rise in obesity levels during the pandemic that matched the increase that had occurred over the past 20 years. Washington Post, 31 Aug. 2021 Lamenting a rise in youth obesity and seeking to get young people off the couch, Rogge developed his pet project — the Youth Olympic Games. Chris Lehourites, San Francisco Chronicle, 29 Aug. 2021 And, while the Alaska Permanent Fund certainly has its benefits (e.g., allowing recipients to buy more nutritious meals and thereby reducing obesity among the population), the payout system may actually increase income inequality. Ross Marchand, National Review, 25 Aug. 2021 When asked about the prospect of Vyvanse being used in unapproved ways, Pahon said the FDA does not regulate the practice of medicine, but noted the drug is not approved for treating obesity. Kristina Fiore And John Fauber, Milwaukee Journal Sentinel, 23 Aug. 2021 The site also found that obesity increases premiums by about 150%—or more if the person also has medical conditions associated with being overweight. Kosali Simon, Quartz, 20 Aug. 2021 The protein responsible for the plants’ extraordinary growth spurt is the human fat mass and obesity-associated protein called FTO. Shi En Kim, Smithsonian Magazine, 18 Aug. 2021 The state’s obesity, smoking, addiction, and infant and maternal mortality rates often appeared in top 10 lists, not a place any state wants to be. Shari Rudavsky, The Indianapolis Star, 18 Aug. 2021 The risk of preterm birth rose 160% for pregnant women with hypertension, diabetes and/or obesity as well as COVID-19, the study suggests. Cliff Pinckard, cleveland, 16 Aug. 2021

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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Time Traveler for obesity

Time Traveler

The first known use of obesity was circa 1611

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Dictionary Entries Near obesity




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Statistics for obesity

Last Updated

5 Sep 2021

Cite this Entry

“Obesity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/obesity. Accessed 16 Sep. 2021.

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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

More from Merriam-Webster on obesity

Nglish: Translation of obesity for Spanish Speakers

Britannica English: Translation of obesity for Arabic Speakers

Britannica.com: Encyclopedia article about obesity


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