'Pandemic' definitions:

Definition of 'pandemic'

From: WordNet
adjective
Epidemic over a wide geographical area; "a pandemic outbreak of malaria"
adjective
Existing everywhere; "pandemic fear of nuclear war"
noun
An epidemic that is geographically widespread; occurring throughout a region or even throughout the world

Definition of 'Pandemic'

From: GCIDE
  • Pandemic \Pan*dem"ic\, a. [L. pandemus, Gr. ?, ?; pa^s, pa^n, all + ? the people: cf. F. pand['e]mique.] Affecting a whole people or a number of countries; everywhere epidemic. -- n. A pandemic disease. --Harvey. [1913 Webster]