uncharted Synonyms

chartless unmapped not explored undivulged undiscovered undisclosed undiagnosed undelineated unchartered unbeknownst unascertained unapprehended unfamiliar undetected unexplained unexplored untrodden untrod untraversed untravelled unsuspected unsung unrevealed unplumbed unperceived unresearched uninvestigated unexposed unspecified novel new nameless mysterious indefinite incognita hidden foreign exotic concealed anonymous obscure remote secret unnamed unidentified little-known undetermined virgin untraveled unknown