Zone therapists suspected that some hitherto undiscovered sub-microscopic network was involved.

Right now, we don't even know for certain whether this is a real Healing talent, hitherto undiscovered, or just a special quirk of yours.

In the 1890s Hoffstad travelled widely, searching for new plant species hitherto undiscovered.

There was a horde of them, probably the fragmented remains of a single, hitherto undiscovered, comet.

He's given us a hitherto undiscovered genre.

He might, he thought, possess a hitherto undiscovered knack for this sort of thing.

No hitherto undiscovered poisons may be used, nor any appliance which will need a long scientific explanation at the end.

A hitherto undiscovered means of producing high voltage seems to have been involved.

It's not that I believe her insanity allowed her to tap into some hitherto undiscovered deep creative stream.

Bringing the age limit down to 25 might help to ensure that contestants are hitherto undiscovered.