obesity

noun

obe·​si·​ty ō-ˈbē-sə-tē How to pronounce obesity (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
David Allison, the dean of the public-health school at Indiana University-Bloomington and an obesity researcher who, along with Peter Attia, has advised Rahal, frames it differently. Hannah Goldfield, New Yorker, 21 Apr. 2025 There are seven late-stage studies on the pill, including five diabetes trials and two obesity studies. Annika Kim Constantino, CNBC, 17 Apr. 2025 With increasing demand for obesity treatments, Eli Lilly is positioning itself as a leader alongside Novo Nordisk. Trefis Team, Forbes.com, 17 Apr. 2025 More than 74% of American adults have a condition that puts them at higher risk, ranging from asthma to obesity. Alexander Tin, CBS News, 15 Apr. 2025 See All Example Sentences for obesity

Word History

Etymology

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

First Known Use

circa 1611, in the meaning defined above

Time Traveler
The first known use of obesity was circa 1611

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Cite this Entry

“Obesity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/obesity. Accessed 25 Apr. 2025.

Medical Definition

obesity

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

Last Updated: - Updated example sentences
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