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.
Consuming coffee with sugar can cause a blood sugar spike, but the addition of the egg yolk may slightly blunt this spike. Eleesha Lockett, Verywell Health, 27 Feb. 2026 This can result in weight loss, which is associated with better blood sugar control. Tom Gavin, EverydayHealth.com, 27 Feb. 2026 Bitter melon supplements These are often taken to help with reducing blood sugar levels in people with diabetes, Menning noted. Melissa Rudy, FOXNews.com, 22 Feb. 2026 Meanwhile, a balanced diet (like the Mediterranean or DASH eating pattern) can reduce blood sugar swings that worsen irritability. Hannah Silverman, Parents, 21 Feb. 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 3 Mar. 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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