uncharted

UK: /ˌʌnˈtʃɑː^rtɪd/ US: /ʌnˈtʃɑrtɪd/ ,(un chär′tid)

WordReference Random House Learner's Dictionary of American English © 2026

un•chart•ed /ʌnˈtʃɑrtɪd/   adj. 

1. not shown or located on a map;
   unexplored:
   uncharted wilderness.

WordReference Random House Unabridged Dictionary of American English © 2026

un•chart•ed  (un chär′tid), adj. 

1. not shown or located on a map;
   unexplored;
   unknown, as a place or region:
   the uncharted depths of space.

• un-¹ + chart + -ed² 1840–50

Collins Concise English Dictionary © HarperCollins Publishers::

uncharted / ʌnˈtʃɑːtɪd/ adjective

1. (of a physical or nonphysical region or area) not yet mapped, surveyed, or investigated: uncharted waters, the uncharted depths of the mind