go undetected

Enough to kill hundreds of people if he had gone undetected.

Outside of Europe women were able to dress as men and go undetected.

"In the past, so many of those things would have gone undetected."

Inside, the drug business often goes undetected, and is sometimes ignored.

Flying at 34,000 feet they usually came and went undetected.

It went undetected for years before its discovery in 1985.

It was not clear whether other cases might have gone undetected.

This time, however, there was little chance that it would go undetected.

The change is minimal and probably goes undetected by most people.

It went undetected for close to a decade, he said.