The definition of sporadic is something that happens occasionally or at irregular intervals.
An example of sporadic is when you go to the doctor only once every five years or so.
- happening from time to time; not constant or regular; occasional
- widely separated from others, scattered, or isolated in occurrence; appearing singly, apart, or in isolated instances
Origin of sporadicMedieval Latin sporadicus from Classical Greek sporadikos from sporas, scattered: for Indo-European base see spore
- Occurring at irregular intervals or in isolated or scattered places; having no pattern or order: his sporadic attendance in class; rebels who put up sporadic resistance. See Synonyms at periodic.
- Medicine Not epidemic, endemic, or inherited. Used of a disease or condition: Most cancers are sporadic, caused by genetic mutations that are not heritable.
Origin of sporadicMedieval Latin sporadicus scattered from Greek sporadikos from sporas sporad-; see sper- in Indo-European roots.
(comparative more sporadic, superlative most sporadic)