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

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 Only about a third of people with BED have clinical obesity, per the NEDA. Rebecca Joy Stanborough, SELF, 11 Feb. 2022 On the plus side, Black Panther is vegetarian, which can reduce obesity and the risk of issues like heart attacks and strokes. Galadriel Watson, Time, 10 Jan. 2022 Hispanics are 23% more likely to have obesity, 24% more likely to have poorly controlled high blood pressure, and are 50% more likely to die from diabetes or liver disease than their white counterparts. Ilse Calderon, Forbes, 10 Dec. 2021 New research has identified another approach to treating obesity. Chris Smith, BGR, 6 Nov. 2021 Research has shown that food programs have numerous benefits, such as boosting test scores and lowering childhood obesity in some of the nation’s most vulnerable groups. Michelle Cheng, Quartz, 19 Oct. 2021 So people over 60 or somebody who had obesity or diabetes or heart disease. USA TODAY, 13 Oct. 2021 To be clear, suggesting that stamping out obesity will somehow be easier than mass vaccination, which the Sweetgreen CEO seemed to do, is patently false. Dr. Sanjay Gupta, CNN, 5 Oct. 2021 Five years later, the Ong siblings established the Betty Ong Foundation, which aims to prevent childhood obesity and funds a host of senior and youth programs in San Francisco’s Chinatown. NBC News, 10 Sep. 2021 See More

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.

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

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The first known use of obesity was circa 1611

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Statistics for obesity

Last Updated

20 May 2022

Cite this Entry

“Obesity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/obesity. Accessed 24 May. 2022.

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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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