Definition of terra incognita
- unexplored subject
- unknown land
Usage examples of terra incognita
For early mapmakers, the interior of the continent was terra incognita because no one in their records had explored it.
Quantum computing was terra incognita to the lawyer, so she started with a beginner's guide.
The first week at a new job can feel like terra incognita: unfamiliar tools, people, and rules everywhere.