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

What happens after Monday’s hearing and the mandatory 45-day public comment period will be uncharted territory, Brockbank said. — Rosanna Xia, Los Angeles Times, 7 Aug. 2026

An ambitious effort to boost an aging probe on its journey through the uncharted territory of interstellar space seems to have found success. — Ashley Strickland, CNN Money, 6 Aug. 2026

If the uncharted territory in Wetzel’s home life mellows out his music, he and Simon both want The Night Champion to bring out Wetzel’s outsize personality and melodies one more time. — Josh Crutchmer, Rolling Stone, 5 Aug. 2026

Using them to scare off farm bugs pushes nanotechnology into completely uncharted territory. — Mrigakshi Dixit, Interesting Engineering, 4 Aug. 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