Epidemic
Epidemic noun - A widespread outbreak of an infectious disease; many people are infected at the same time.
Flu and epidemic are semantically related In some cases you can use "Flu" instead a noun "Epidemic".
Nearby Words: epidemical, epidemically
Mutual synonyms
Both words in one sentence
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Susana Torres' attempt to save Irene from dying of Spanish flu nearly causes an epidemic.
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There are news reports of massed North Korean refugees, an epidemic of a new strain of the flu (H1N3), massive explosions, contaminated water, etc.
Source: Series / Wayward Pines -
Right for the Wrong Reasons: Gilchrist argues that the flu virus from 1819 is the same one causing the present-day epidemic.
Source: Literature / Doomsday Book
Cite this Source
Flu and Epidemic. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/epidemic/flu
Epidemic & Flu. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/epidemic/flu>.
Flu or Epidemic. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/epidemic/flu.
Google Ngram Viewer shows how "epidemic" and "flu" have occurred on timeline