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English definition of “sporadic”

sporadic

adjective  /spəˈræd·ɪk/ us  
not happening or appearing in a pattern; not continuous or regular: She makes sporadic trips to Europe. The storm caused sporadic flooding throughout the region.
sporadically
adverb  /spəˈræd·ɪk·li/ us  
I’ve been working sporadically this year.
(Definition of sporadic from the Cambridge Academic Content Dictionary © Cambridge University Press)
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