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.
Many Americans skimp on protein in the morning and instead pick foods that spike blood sugar and lead to midday energy crashes – and cause even more junk food cravings. Deirdre Bardolf, FOXNews.com, 1 July 2025 Estrogen also helps regulate blood sugar by supporting insulin production, improving insulin sensitivity, and reducing fat storage and inflammation. Karina Zaiets, USA Today, 30 June 2025 Carb consistency: Carbohydrates impact blood sugar more than protein and fat. Kathleen Daly, Verywell Health, 30 June 2025 Once used primarily for managing blood sugar, they are now being prescribed off-label for weight loss, catalyzing a seismic shift in how society views health, weight and medical intervention. Stephen Sokoler, Forbes.com, 26 June 2025 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 Jul. 2025.

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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