| 单词 | sporadic |
| 释义 | sporadic (once / 3373 pages) adj Sporadic is an adjective that you can use to refer to something that happens or appears often, but not constantly or regularly. The mail carrier comes every day but the plumber's visits are sporadic––he comes as needed. A specialized use of sporadic is to describe a disease that appears only occasionally in random cases, and is therefore not an epidemic. English borrowed the word sporadic from Greek sporadikós "scattered." A very near synonym is intermittent. WORD FAMILYsporadic: sporadically USAGE EXAMPLESAmong the hurdles: the sporadic nature of outbreaks and funding shortages. Washington Times(Dec 22, 2016) The highway there is beset by fighting and sporadic insurgent checkpoints. The Guardian(Dec 15, 2016) Peace negotiations between the government and Kurdish militants collapsed in 2015, triggering nearly a year and a half of sporadic violence. Time(Dec 11, 2016) adj recurring in scattered and irregular or unpredictable instances a city subjected to sporadic bombing raids Syn|Ant fitful, spasmodic occurring in spells and often abruptly intermittentstopping and starting at irregular intervals occasional, periodicrecurring or reappearing from time to time irregular, unpredictablenot occurring at expected times isolated, straynot close together in time discontinuous, noncontinuousnot continuing without interruption in time or space infrequentnot frequent; not occurring regularly or at short intervals continual occurring without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series insistent, repetitiverepetitive and persistent runningcontinually repeated over a period of time perennial, recurrent, repeatedrecurring again and again persistent, relentless, unrelentingnever-ceasing recurring, revenantcoming back |
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