Synonyms Word Origin (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm. appearing in scattered or isolated instances, as a disease. isolated, as a single instance of something; being or occurring apart from others. occurring singly or widely apart in locality: the sporadic growth of plants.
spo·rad·i·cal. Origin of sporadic 1680–90;
Medieval Latin sporadicus
strewn, akin to
-ikos -ic Related forms spo·rad·i·cal·ly, adverb spo·rad·i·cal·ness, noun spo·ra·dic·i·ty , [spawr- uh- dis-i-tee, spohr-] /ˌspɔr əˈdɪs ɪ ti, ˌspoʊr-/ spo·ra·dism, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for sporadicity occurring at irregular points in time; intermittent sporadic firing scattered; isolated a sporadic disease Derived Forms sporadically, adverb sporadicalness, noun Word Origin for sporadic
C17: from Medieval Latin
sporadicus, from Greek sporadikos, from sporas scattered; related to Greek speirein to sow; see spore
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for sporadicity adj.
1650s (implied in
sporadical), from Medieval Latin sporadicus "scattered," from Greek sporadikos "scattered," from sporas (genitive sporados) "scattered," from spora "a sowing" (see spore). Originally a medical term, "occurring in scattered instances;" the meaning "happening at intervals" is first recorded 1847. Related: Sporadically.
Online Etymology Dictionary, © 2010 Douglas Harper
sporadic [spə-răd ′ĭk, spô-] Occurring at irregular intervals. Occurring singly; not grouped.
The American Heritage® Stedman's Medical Dictionary
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