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.
Between 2010 and 2023, there was an 11% greater burden of disease due to high body mass index – measured by years of life lost due to disability or premature death – and a 6% increase due to high blood sugar. Deidre McPhillips, CNN Money, 12 Oct. 2025 Key Takeaways Avocados are rich in healthy fats, fiber, and essential nutrients that help regulate blood sugar and support heart health. Lauren Manaker Ms, Verywell Health, 10 Oct. 2025 Those with the condition do not create enough insulin, the hormone that regulates blood sugar levels—because their immune system attacks the cells in the pancreas that produce it. Hannah Millington, MSNBC Newsweek, 10 Oct. 2025 The best ashwagandha supplements work in tandem with healthy lifestyle habits that can naturally tackle stress like balancing blood sugar, taking walks outside, breathwork, spending time in nature, meditating, journaling, and more. Brianna Peters, Vogue, 10 Oct. 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 15 Oct. 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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