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.
Key Takeaways Turmeric and apple cider vinegar may help with blood sugar control but should not replace traditional treatment. Sarah Anzlovar, Verywell Health, 17 May 2026 But the popularity of the medications, which mimic a hormone that helps regulate blood sugar and appetite, has grown significantly in a relatively short period of time. Connie Ogle updated May 15, Miami Herald, 15 May 2026 The soluble fiber in chia seeds forms a gel that can aid hydration and support stable blood sugar levels. Caitlin Beale, Health, 15 May 2026 In February 2023, Sal was hospitalized for five days after suffering from diabetic ketoacidosis, a life-threatening medical emergency that occurs when the body lacks insulin to allow blood sugar into the cells for use as energy, according to the CDC. Vanessa Etienne, PEOPLE, 15 May 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 22 May. 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)
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster