/ ˌæpəˈplektɪk; NAmE / adjective
1.
very angry :
He was apoplectic with rage at the decision.
2.
( old-fashioned ) connected with apoplexy :
an apoplectic attack / fit
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WORD ORIGIN
early 17th cent.: from French apoplectique or late Latin apoplecticus , from Greek apoplēktikos , from apoplēssein disable by a stroke.