1. undiscoverable - Adjective
2. undiscoverable - Adjective Satellite
not able to be ascertained; resisting discovery
Source: WordNetTime is at once an agony of the Present, a long torment of the Past and the terrible prospect of countless Futures. Time is also a complex of subtly intersecting realities, of unguessable consequences and undiscoverable causes, of profound tensions and dependencies. Michael Moorcock
With terrible jolts and oscillations the religious life of the world has run down 'the ringing grooves of change.' A smoother route may have been undiscoverable. At all events it was undiscovered. John Tyndall
Do not assume that what you do at work is undiscoverable. Source: Internet
It’s totally undiscoverable without reading instructions. Source: Internet