sporadic


spo·rad·ic

adj \spə-ˈrad-ik\

Definition of SPORADIC

1
: occurring occasionally, singly, or in scattered instances <sporadic diseases>—compare endemic, epidemic 1
2
: arising or occurring randomly with no known cause <sporadic Creutzfeldt-Jakob disease>
spo·rad·i·cal·ly \-i-k(ə-)lē\ adverb

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