uncharted
un|chart|ed /'ʌntʃ'ɑːrtɪd/
[ADJ] usu ADJ n
If you describe a situation, experience, or activity as uncharted territory or waters, you mean that it is new or unfamiliar.
Carter's fourth album definitely moves into uncharted territory.
...a largely uncharted area of medical science.
= unexplored
[ADJ] usu ADJ n
If you describe a situation, experience, or activity as uncharted territory or waters, you mean that it is new or unfamiliar.
Carter's fourth album definitely moves into uncharted territory.
...a largely uncharted area of medical science.
= unexplored