A 2012 report states, the sporadic use of Adderall with alcohol can cause “serious cardiovascular adverse effects.”
Secretary Kerry and others may hope that sporadic provocations can be contained – and in the past this has often been the case.
We know British intelligence at the time on WMD was "patchy and sporadic."
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.
sporadic spo·rad·ic (spə-rād'ĭk, spô-) or spo·rad·i·cal (-ĭ-kəl)
Occurring at irregular intervals.
Occurring singly; not grouped.