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

Examples of superbug in a Sentence

Recent Examples on the Web Antibiotic-resistant superbugs claim the lives of more than 1 million people globally each year. Tribune News Service, Hartford Courant, 6 Jan. 2024 For the first time in half a century, researchers have identified a new antibiotic that appears to kill a deadly, drug-resistant superbug. Ryan Fonseca, Los Angeles Times, 4 Jan. 2024 Even among growing fear of superbugs, antibiotic use in livestock in the U.S. — including drugs that are medically important for humans — is on the rise. Anagha Babu, Hartford Courant, 15 Jan. 2024 Beyond preventing it from escalating, pharmaceutical companies also need to treat the existing effects of climate change on human health–especially the superbugs and infectious diseases that are already running rampant. Jayasree K. Iyer, Fortune, 11 Dec. 2023 Moreover, the superbugs that are already here also need to be treated. Jayasree K. Iyer, Fortune, 11 Dec. 2023 And now, to fight off superbugs, scientists are increasingly turning to another unorthodox source of germ-killers: healthy poop. Popular Science, 1 Nov. 2023 Genetic analysis of the stool samples showed that the poop transplants helped reduce the number of superbugs. Popular Science, 1 Nov. 2023 On top of that is the concerning rise of superbugs, strains of bacteria with the highest resistance to multiple drugs. Popular Science, 1 Nov. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'superbug.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 3 Mar. 2024.

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
Last Updated: - Updated example sentences
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