avoid someone/something like the plague

avoid someone/something like the plague

If you avoid someone or something like the plague, you do everything possible to avoid them. I would avoid him like the plague when his wife was around. The athlete must avoid all extra sugar like the plague. Note: The plague is bubonic plague, a disease which killed over 50 million people in Europe and Asia during the 14th century and was referred to as the Black Death.
See also: avoid, like, plague, something