uncharted

adjective

un·​chart·​ed ˌən-ˈchär-təd 

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

an uncharted island

—often used figuratively

The discussion moved into uncharted territory/waters. [=moved into a new and unknown area]

Examples of uncharted in a Sentence

Recent Examples on the Web

This true story follows his ultimately tragic path hiking in the uncharted wilderness of Alaska. — The Week Us, TheWeek, 31 July 2026

But, these were uncharted waters, given Arion Carter was hurt very early in the process, and did the smart thing by returning to college. — Trey Wallace Outkick, FOXNews.com, 29 July 2026

Percy Jackson and the Olympians is setting sail for uncharted waters in season 3. — Emlyn Travis, Entertainment Weekly, 23 July 2026

Because a foreclosure tax is relatively uncharted territory in California, the effects are hard to predict, even among industry experts and pro-housing advocates. — Shomik Mukherjee, Mercury News, 19 July 2026

Word History

First Known Use

1832, in the meaning defined above

Phrases Containing uncharted

• uncharted waters

Rhymes for uncharted

• departed
• halfhearted
• imparted
• kindhearted
• lighthearted
• restarted
• warmhearted
• wholehearted
• brokenhearted
• carted
• charted
• darted

Kids Definition

uncharted

adjective

un·​chart·​ed ˌən-ˈchärt-əd 

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

vast uncharted wilderness