superbug

noun

su·​per·​bug ˈsü-pər-ˌbəg How to pronounce superbug (audio)
: a pathogenic microorganism and especially a bacterium that has developed resistance to the medications normally used against it

Example Sentences

Recent Examples on the Web While these instances are rare, some worry that M. gen is on its way to becoming a completely resistant superbug. Caroline Hopkins, NBC News, 25 Sep. 2022 By the end of the year, the CDC plans to expand the number of pathogens tracked on the dashboard to include influenza, a fungal superbug called Candida auris, and foodborne threats like E. coli and salmonella. Brenda Goodman, CNN, 3 Feb. 2022 Max and Sharpe leave for London, but a dangerous superbug hits the hospital and brings them back; Leyla confronts Bloom about a secret; Iggy helps grieving parents cope with the loss of their son. Washington Post, 23 Nov. 2021 One, for example, proved to be extremely effective against both anthrax (Bacillus anthracis) and MRSA (methicillin-resistant Staphylococcus aureus), a notorious superbug that has become resistant to many common antibiotics. Stephanie Stone, Smithsonian Magazine, 2 Sep. 2021 The buckwheat is unlikely to become a cash crop or yield chemicals in its leaves that would kill an antibiotic-resistant superbug. Gregory Barber, Wired, 17 June 2021 Days later, he was intubated after going through septic shock from contracting a superbug, and later died, his wife Dr. Diala Jaber said from the couple's home in Northport, New York. NBC News, 12 Dec. 2020 Days later, he was intubated after going through septic shock from contracting a superbug, and later died, his wife Dr. Diala Jaber said from the couple's home in Northport, New York. NBC News, 12 Dec. 2020 Days later, he was intubated after going through septic shock from contracting a superbug, and later died, his wife Dr. Diala Jaber said from the couple's home in Northport, New York. NBC News, 12 Dec. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'superbug.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of superbug was in 1945

Dictionary Entries Near superbug

Cite this Entry

“Superbug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superbug. Accessed 2 Dec. 2022.

Medical Definition

superbug

noun

su·​per·​bug ˈsü-pər-ˌbəg How to pronounce superbug (audio)
: a pathogenic microorganism and especially a bacterium that has developed resistance to the medications normally used against it
The rise of superbugs that can survive multiple antibiotics—such as MRSA, the notorious "flesh-eating bacterium"—has turned once-trivial infections into persistent problems. Valerie Ross, Discover
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