Unexposed (adjective)

1. Not yet having been subjected to or having experienced something, especially something harmful or dangerous.
2. Not yet having been revealed, disclosed, or made known to the public or to a particular group of people.
3. Not yet having been laid bare, shown, or revealed in some other way.

Origin:

Derived from the prefix 'un-' meaning 'not' + exposed, which is derived from the latin word 'expositum' meaning 'laid open, uncovered'.

Examples:

1. The vaccine was unexposed and untested, with new ingredients, methods, and outcomes, and was being studied and evaluated by researchers and regulators.
2. The evidence was unexposed and hidden, with secret documents, files, and tapes, and was being discovered and disclosed by whistleblowers and journalists.
3. The truth was unexposed and unknown, with mysteries, puzzles, and secrets, and was being investigated and uncovered by detectives and reporters.
4. The risks were unexposed and unforeseen, with new hazards, dangers, and threats, and were being assessed and evaluated by analysts and experts.
5. The beauty was unexposed and unseen, with hidden treasures, wonders, and marvels, and was being appreciated and admired by travelers and artists.