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.
This chaged profile results in improved satiety and a slower blood sugar spike. Jahnavi Rapaka, Vogue, 21 Mar. 2026 Skipping a Walk After Meals After a carb-heavy meal, blood sugar spikes and then drops sharply, a pattern linked to fatigue, anxiety, and overeating. Allison Palmer, Charlotte Observer, 20 Mar. 2026 Researchers from Kumamoto University in Japan have announced the development of an insulin pill to help lower blood sugar. Angelica Stabile, FOXNews.com, 20 Mar. 2026 These nutrients help stabilize blood sugar, keep you full longer and support energy levels throughout the day. Fred Sassani, Austin American Statesman, 19 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 25 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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