blue cheese
noun
variants
or less commonly bleu cheese
: a cheese marked with veins of greenish-blue mold
Where does the blue in blue cheese come from? Mold. But it's harmless mold, so enjoy!—The Chicago Tribune
The beef was a perfect medium-rare, and the sauce was robust, ideal for the meat with just the right touch of bleu cheese.—Scott J. Haring
Cite this Entry
“Blue cheese.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blue%20cheese. Accessed 19 Aug. 2026.
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