superbug
noun
su·per·bug
ˈsü-pər-ˌbəg 
: a pathogenic microorganism and especially a bacterium that has developed resistance to the medications normally used against it
Examples of superbug in a Sentence
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The success of this experiment suggests that, in the near future, defeating a deadly superbug could be as simple as sending a document to an inkjet printer.
—
Big Think, 20 Oct. 2025
The truth about drug-resistant superbugs sickening hospital patients is even worse than what the headlines suggest.
—Betsy McCaughey, Boston Herald, 5 Oct. 2025
The everyday painkillers were found to fuel the superbugs that contribute to antibiotic resistance.
—Khloe Quill, FOXNews.com, 28 Aug. 2025
Beyond AlphaFold, researchers at MIT used generative AI to design two entirely new antibiotic candidates capable of killing drug-resistant gonorrhoea and MRSA superbugs in lab and animal tests.
—Bernard Marr, Forbes.com, 25 Aug. 2025
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Big Think, 20 Oct. 2025
The truth about drug-resistant superbugs sickening hospital patients is even worse than what the headlines suggest.
—Betsy McCaughey, Boston Herald, 5 Oct. 2025
The everyday painkillers were found to fuel the superbugs that contribute to antibiotic resistance.
—Khloe Quill, FOXNews.com, 28 Aug. 2025
Beyond AlphaFold, researchers at MIT used generative AI to design two entirely new antibiotic candidates capable of killing drug-resistant gonorrhoea and MRSA superbugs in lab and animal tests.
—Bernard Marr, Forbes.com, 25 Aug. 2025
See All Example Sentences for superbug
Cite this Entry
“Superbug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superbug. Accessed 24 Oct. 2025.
Copy CitationMedical Definition
superbug
noun
su·per·bug
ˈsü-pər-ˌbəg
: 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
Valerie Ross, DiscoverLove words? Need even more definitions?
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