unbraved

Example:His new job was an untried position, requiring a lot of effort and patience to succeed.

Definition:Not yet tested or experienced; having had no opportunity to be put to the test

Example:The path was untrodden and led to a beautiful undiscovered lake.

Definition:Not having been walked or traveled upon; unused or untried

Example:The issue of climate change remains unfaced by many governments, despite its urgency.

Definition:Not met or confronted