noun Informal.

a pathogenic bacterium that has developed immunity to antibiotics, or an insect that has developed immunity to insecticides. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for superbug

Contemporary Examples of superbug

  • Our visionary scientists have found the Achilles heel of yet another enemy of the State—the Superbug!

    The Daily Beast logo
    The Fake Superbug Cure

    Kent Sepkowitz

    June 21, 2014

British Dictionary definitions for superbug



informal an infective microorganism that has become resistant to antibiotics
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for superbug




Any of various disease-causing bacteria that develop a resistance to drugs normally used to control or eradicate them.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.