1
: of or relating to a ketone
also
: containing the characteristic chemical group of a ketone consisting of a carbonyl attached to two carbon atoms
keto acids
2
: ketogenic sense 2
Since keto dieting is restrictive it's a good idea to consult with your doctor before starting.—Ted Kallmyer
: a ketogenic diet
Salad is great for keto, but the dressing might not be. When in doubt, skip it.—John Nicholson
Keto is a diet trend that cuts out carbohydrates and sugars to stop the blood sugar from spiking and have the body enter a state of ketosis, a process in which body burns fat for energy because it does not have enough carbohydrates to burn.—Dan Boudreaux
: ketone : ketone body
ketosis
Cite this Entry
“Keto.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keto. Accessed 3 Sep. 2026.
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