variants or superspreader
plural super-spreaders or superspreaders
1
: an individual who is highly contagious and capable of transmitting a communicable disease to an unusually large number of uninfected individuals
Health authorities are watching uneasily for an event that could reverse their apparent success in containing the U.S. outbreak of severe acute respiratory syndrome: the arrival of a so-called super-spreader. M. A. J. McKenna
The story of a traveling British businessman who appears to have passed the coronavirus to Britons in at least three countries has prompted concerns over a 'superspreader,' who could play an outsize role in transmitting the infection. Karla Adam
2
: an event or location at which a significant number of people contract the same communicable disease
often used before another noun
So far, super-spreader events have occurred in a range of places including meat packing plants, prisons, nightclubs and bars—basically any venue where people are in close proximity of one another, ventilation is poor and the virus gets the opportunity to spread like wildfire. Natasha Hinde
The influx of students had quickly turned Minot State University into a superspreader site: within two weeks, more than ten per cent of the coronavirus tests that students received were coming back positive. Atul Gawande

Examples of super-spreader in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The lead-up had focused on whether a debate was even safe with the pandemic still in full swing — and some Biden supporters begged him to stay as far away as possible from the resident of that super-spreader White House. Shelby Grad, Los Angeles Times, 18 June 2024 Related article Dengue cases top 5.2 million in the Americas as outbreak passes yearly record, PAHO says The concept of the super-spreader in infection epidemiology is not new. Mark Booth, CNN, 14 June 2024

Word History

First Known Use

1973, in the meaning defined at sense 1

Time Traveler
The first known use of super-spreader was in 1973

Browse Nearby Words

Cite this Entry

“Super-spreader.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/super-spreader. Accessed 29 Mar. 2025.

Kids Definition

super–spreader

noun
su·​per–spread·​er
ˌsü-pər-ˈspred-ər
1
: someone who is highly contagious and capable of transmitting a communicable disease to an unusually large number of uninfected people
2
: an event or location at which a significant number of people contract the same communicable disease
often used before another noun
super-spreader events

Medical Definition

super-spreader

noun
su·​per-spread·​er
1
: an individual who is highly contagious and capable of transmitting a communicable disease to an unusually large number of uninfected individuals
Unfortunately, the man was what is now known as a "super-spreader"—one of a small group of SARS patients who is highly infectious. Elisabeth Rosenthal, The New York Times
There do seem to be superspreaders, a loosely defined term for people who infect a disproportionate number of others … Gina Kolata, The Houston (Texas) Chronicle
2
: an event or location at which a significant number of people contract the same communicable disease
often used before another noun
… they weren't aware that an after-hours club has been operating … for at least two months. They say it not only appears to be an illegal operation, but a potential coronavirus super-spreader site. Dean Narciso, The Columbus (Ohio) Dispatch
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