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.
According to McAllister, flavan-3-ols in particular can support heart and metabolic health by helping maintain healthy blood pressure, cholesterol, and blood sugar. Heather Riske, Better Homes & Gardens, 13 Jan. 2026 Protein and fat reduce hunger hormones, while fiber slows digestion and helps control blood sugar. Merve Ceylan, Health, 12 Jan. 2026 That hormone also tells the liver to make new sugar, which is kept in check by GIP and GLP-1 activity, preventing blood sugar spikes. Angelica Stabile, FOXNews.com, 12 Jan. 2026 Key Takeaways Apple cider vinegar (ACV) may indirectly promote sleep by regulating blood sugar levels and supporting weight loss. Ashley Olivine, Verywell Health, 12 Jan. 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 13 Jan. 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)
Last Updated: - Updated example sentences
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