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.
These slow digestion and help blood sugar rise more slowly. Merve Ceylan, Health, 27 Sep. 2025 This can include guiding someone who is blind, assisting a veteran with PTSD, alerting someone to a blood sugar drop or protecting someone having a seizure. Cody Godwin, USA Today, 25 Sep. 2025 For instance, one study found that people who took apple cider vinegar daily saw improvements in fasting blood sugar, A1C, cholesterol levels, and even small drops in weight and waist size. Kathleen Ferraro, Verywell Health, 25 Sep. 2025 Researchers found that office workers who reduced their sitting time by adding periods of standing and light activity saw improvements in blood sugar levels and other health markers. Jack McNamara, CNN Money, 25 Sep. 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 3 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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