Meanings
nouncarb flu (uncountable)
- informaluncountablenutritionmedicineUnpleasant physical symptoms, such as lethargy and headaches, resulting from eliminating carbohydrates out of one's diet.
Synonyms: keto flu
Synonyms & antonyms
nounUnpleasant physical symptoms, such as lethargy and headaches, resulting from eliminating carbohydrates out of one's diet.
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Cite this entry
APA
carb flu. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/carb%20flu
MLA
“carb flu.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/carb%20flu. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “carb flu,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/carb%20flu.
Source: carb flu on Wiktionary, CC BY-SA 4.0.