Can You Crack It? Uncovering the Mystery Word for ‘Not Yet Discovered’ – Crossword Clue 101

Can You Crack It? Uncovering the Mystery Word for ‘Not Yet Discovered’ – Crossword Clue 101 - UNBEKNOWNST
Not yet discovered … even though 60-Across doesn't mean discovered

Undiscovered, Unknown, Hidden, Inconspicuous, Unfamiliar, Obscure, Not publicized, Secret, Stealthy.

UNBEKNOWNST