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.
The timing can affect everything from energy and digestion to blood sugar and sleep quality. Faye Remedios, Glamour, 9 Apr. 2025 But these are anecdotal reports and may not reflect instances in which people have side effects or complications like low blood sugar, which can be life-threatening. Brenda Goodman, CNN Money, 9 Apr. 2025 Keeping your blood sugar level within a healthy range can help. Julia Ries, Health, 9 Apr. 2025 Blood Sugar Changes Studies yield mixed results on the influence of fish oil on blood sugar (blood glucose). Amy Brownstein, Ms, Rdn, Verywell Health, 7 Apr. 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 22 Apr. 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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