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English definition of “moldy”

moldy

adjective  /ˈmoʊl·di/ us  
(of food, esp. old food, or objects that have been left too long in warm, wet places) covered or filled with a soft green, blue, gray, or black growth, usually undesirable but thought to add a desirable taste to some cheeses: moldy cheese
(Definition of moldy from the Cambridge Academic Content Dictionary © Cambridge University Press)
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