I think it's unlikely that we've had an undetected epidemic of seven-footers.

The House-Surgeon, speaking professionally, spoke also hopefully of undetected complications in the background.

That the light might not be seen, I hung the coverlid of my bed before the window, so that I could work fearless and undetected.

He had moved on undetected, with the rearmost burghers: now he saw his opportunity and seized it.

Undetected by a single human witness, without interruption from slumbering master or lazy hind, the total deed was done.

In which case Barney was sure he could dodge across the street, undetected.