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English definition of “tomfoolery”

tomfoolery

noun [U]     /ˌtɒmˈfuː.lər.i/ US  /ˌtɑːmˈfuː.lɚ-/ old-fashioned
silly behaviour, especially done as a jokeStupid and silly behaviour
(Definition of tomfoolery noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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