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1. 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.
2. Medicine Not epidemic, endemic, or inherited. Used of a disease or condition: Most cancers are sporadic, caused by genetic mutations that are not heritable.
[Medieval Latin sporadicus, scattered, from Greek sporadikos, from sporas, sporad-; see sper- in Indo-European roots.]
1. occurring at irregular points in time; intermittent: sporadic firing.
2. scattered; isolated: a sporadic disease.
[C17: from Medieval Latin sporadicus, from Greek sporadikos, from sporas scattered; related to Greek speirein to sow; see spore]
1. appearing or happening at irregular intervals in time; occasional.
2. appearing in scattered or isolated instances.
[1680–90; < Medieval Latin sporadicus < Greek sporadikós <sporad- (s. of sporás strewn, akin to sporá spore)]
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|Adj.||1.||sporadic - recurring in scattered and irregular or unpredictable instances; "a city subjected to sporadic bombing raids"|
noncontinuous, discontinuous - not continuing without interruption in time or space; "discontinuous applause"; "the landscape was a discontinuous mosaic of fields and forest areas"; "he received a somewhat haphazard and discontinuous schooling"
infrequent - not frequent; not occurring regularly or at short intervals; "infrequent outbursts of temper"
continual - occurring without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series; "the continual banging of the shutters"
sporadic[spəˈrædɪk] adj (attempts, gunfire) → sporadico/a; (work) → discontinuo/a
a. esporádico-a, infrecuente.