Synonyms for epidemic

Noun

1. epidemic, outbreak, eruption, irruption

usage: a widespread outbreak of an infectious disease; many people are infected at the same time

Adjective

1. epidemic (vs. endemic) (vs. ecdemic), pandemic, pestilent, pestilential, pestiferous, plaguey, epiphytotic, epizootic

usage: (especially of medicine) of disease or anything resembling a disease; attacking or affecting many individuals in a community or a population simultaneously; "an epidemic outbreak of influenza"