spo·rad·ic adj \spə-ˈrad-ik\
: occurring occasionally, singly, or in scattered instances <sporadic diseases>—compare endemic, epidemic 1
: arising or occurring randomly with no known cause <sporadic Creutzfeldt-Jakob disease>
—spo·rad·i·cal·ly \-i-k(ə-)lē\ adverb
Seen & Heard
What made you want to look up sporadic? Please tell us where you read or heard it (including the quote, if possible).