Learn how to say Epidemically correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word epidemic:
a widespread occurrence of an infectious disease in a community at a particular time:
a flu epidemic
a sudden, widespread occurrence of an undesirable phenomenon:
an epidemic of violent crime
of the nature of an epidemic:
shoplifting has reached epidemic proportions
Compare with endemic, pandemic, epizootic.
early 17th century (as an adjective): from French épidémique, from épidémie, via late Latin from Greek epidēmia ‘prevalence of disease’, from epidēmios ‘prevalent’, from epi ‘upon’ + dēmos ‘the people’