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.
While most Medicare and Medicaid plans pay for weight loss drugs for diabetics, they aren’t currently covered for obesity. Sonya Collins, Fortune, 20 June 2025 The chemical compound has been linked to fetal abnormalities, low birth weight, and brain and behavior disorders in infants and children, as well as diabetes, heart disease, cancer and obesity in adults. Sandee Lamotte, CNN Money, 18 June 2025 By identifying changes in your cat's litter box behavior, the monitor can alert you to potential health issues such as urinary tract infections, kidney disease, diabetes, hyperthyroidism and obesity, allowing for early veterinary intervention. Jené Luciani Sena May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 18 June 2025 In 2020, an extensive research review found that a diet rich in spicy peppers was associated with less obesity, heart disease, and diabetes risk. Matt Fuchs, Time, 17 June 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

Browse Nearby Words

Cite this Entry

“Obesity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/obesity. Accessed 28 Jun. 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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