Words similar to as-yet-unknown

Example sentences for: as-yet-unknown

How can you use “as-yet-unknown” in a sentence? Here are some example sentences to help you improve your vocabulary:

Instead, "America is now spending $7 billion a year defending itself against backpack nuclear bombs, canisters of nerve gas and petri dishes of germ weapons planted in crowded cities by an as-yet-unknown adversary."
Everyone has a vital interest, it seems, in Mason and Dixon's wilderness survey, and it becomes clear that the pair are really pawns in some obscure sociocultural power struggle that may involve as-yet-unknown advanced communication technologies.