uncharted

un·chart·ed

adjective \-ˈchär-təd\

: not recorded or located on a map, chart, or plan

Full Definition of UNCHARTED

:  not recorded or plotted on a map, chart, or plan <an uncharted island>; broadly :  unknown <a discussion moving into uncharted territory>

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First Known Use of UNCHARTED

1832

Rhymes with UNCHARTED

bighearted, coldhearted, departed, downhearted, fainthearted, freehearted, good-hearted, greathearted, halfhearted, hard-hearted, ironhearted, kindhearted, largehearted, lighthearted, proudhearted, softhearted, stouthearted, truehearted, warmhearted, weakhearted, wholehearted