unmapped Synonyms

chartless uncharted alien unchartered unascertained unfamiliar faraway unidentified unassigned undelineated undiscovered unexplored unplumbed untravelled in the balance not mapped not well researched not researched enough not studied enough undefined undecided virgin concealed dark distant exotic far-off foreign hidden inconclusive indefinite mysterious pending remote secret strange unheard-of unknown untraveled not well studied