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.
For people with diabetes, not getting enough insulin could lead to dangerously high blood sugar. Emily Kay Votruba, EverydayHealth.com, 13 Mar. 2026 It has also been shown to lower blood sugar when drunk after a meal. Sarah Bence, Verywell Health, 13 Mar. 2026 Blumenthal said the new guidelines will be especially important for people who smoke tobacco, have high blood pressure, high blood sugar, Type 2 diabetes or a family history of heart disease. Lindsey Leake, NBC news, 13 Mar. 2026 Patients with type 1 diabetes must constantly remain aware of the blood sugar levels to properly manage their nutrition and insulin intake to support healthy living. Elizabeth McClure, The Orlando Sentinel, 12 Mar. 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 14 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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