blood sugar

noun

: the glucose in the blood
also : its concentration (as in milligrams per 100 milliliters)

Examples of blood sugar in a Sentence

As a diabetic, he needs his blood sugar to stay at the right levels.
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.
Pasta salad and potato salad both consist of carbohydrates tossed with dressing and vegetables that can fit into a balanced eating plan without triggering unhealthy blood sugar spikes. Anna Giorgi, Verywell Health, 6 July 2026 This includes soluble fiber, which increases healthy gut bacteria and lowers cholesterol and blood sugar levels, and insoluble fiber, which improves bowel health, says Howman. Kirsten Nunez, Martha Stewart, 4 July 2026 The chronic disease, which impairs the body’s ability to properly regulate blood sugar, contributed to 94,445 deaths that year. Melissa Rudy, FOXNews.com, 3 July 2026 See All Example Sentences for blood sugar

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of blood sugar was in 1881

Browse Nearby Words

Cite this Entry

“Blood sugar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20sugar. Accessed 7 Jul. 2026.

Kids Definition

blood sugar

noun
: the glucose in the blood
especially : the amount or percentage of such sugar

Medical Definition

blood sugar

noun
: the glucose in the blood
also : its concentration (as in milligrams per 100 milliliters)
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