A strain of bacteria that is resistant to all antibiotics. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "superbug" in a sentence
"They were victims of a scary "superbug" - a bacterial staph infection for which there is now no known cure."
"MELISSA BLOCK, host: A so-called superbug has made its way to this country from India."
"CHETRY: Well after Brazilian supermodel was killed by an infection now known as the superbug, there are new concerns about this drug-resistant bacteria, how common is it, and if you wind up in a hospital, could you be in danger of catching an infection like this as well?"