superbug

Noun superbug has 2 senses

• superbug(n = noun.animal) - a strain of bacteria that is resistant to all antibiotics;
is a kind of bacteria, bacterium

• superbug(n = noun.animal) bemisia tabaci, poinsettia strain - a strain of pest accidentally imported into Florida from the Middle East then spread to California where it is a very serious pest feeding on almost all vegetable crops and poinsettias;
is a member of bemisia, genus bemisia
is a kind of sweet-potato whitefly