: a common form of diabetes mellitus that develops especially in adults and most often in obese individuals and that is characterized by hyperglycemia resulting from impaired insulin utilization coupled with the body's inability to compensate with increased insulin production

called also non-insulin-dependent diabetes, non-insulin-dependent diabetes mellitus, type 2 diabetes mellitus

Examples of type 2 diabetes in a Sentence

Recent Examples on the Web
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Retatrutide is still in ⁠Phase 3 clinical trials for obesity, type 2 diabetes, and other related conditions. Ed Silverman, STAT, 12 Aug. 2026 Harvard Health reports that sleeping just five to six hours a night doubles the risk of being diagnosed with prediabetes and type 2 diabetes compared with seven to eight hours, citing a 2021 review in the Journal of Endocrinology. Samantha Agate, Charlotte Observer, 11 Aug. 2026 Harvard Health points to a 2021 review in the Journal of Endocrinology showing that sleeping just five to six hours a night doubles the risk of prediabetes and type 2 diabetes compared with sleeping seven to eight hours. Samantha Agate, Kansas City Star, 11 Aug. 2026 Eating blueberries frequently, at any time of day, lowers the risk of developing heart disease or type 2 diabetes (T2D). Amber J. Tresca, Verywell Health, 11 Aug. 2026 See All Example Sentences for type 2 diabetes

Word History

First Known Use

1982, in the meaning defined above

Time Traveler
The first known use of type 2 diabetes was in 1982

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Cite this Entry

“Type 2 diabetes.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/type%202%20diabetes. Accessed 19 Aug. 2026.

Medical Definition

: diabetes mellitus of a common form that develops especially in adults and most often in obese individuals and that is characterized by hyperglycemia resulting from impaired insulin utilization coupled with the body's inability to compensate with increased insulin production

called also adult-onset diabetes, late-onset diabetes, maturity-onset diabetes, non-insulin-dependent diabetes, non-insulin-dependent diabetes mellitus, type 2 diabetes mellitus

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