The Shadow could have left unnoticed; even if seen, the police would have understood his presence.

The man had a gift for pointing out things that would have been better left unnoticed.

The route was open to a fire tower where Shark could leave unnoticed.

He could not leave unnoticed until there was enough fighting so that the "fog of war" would hide him.

The cave was left unnoticed for a number of years.

But despite the revolutionary ideas of this article it was left mostly unnoticed.

Jory would be so busy talking about her power that Nia might leave unnoticed.

Lots of places it could be left unnoticed a mile or so away.

She sees her friends having drinks and leaves unnoticed.

I left unnoticed and Marlis was convinced that nobody else knew anything about my short visit.