- The definition of uncharted is unknown or not recorded on a map.
An example of something uncharted is a part of the ocean into which no one has ever successfully ventured.
not marked on a chart or map; unexplored or unknown
- Not charted or recorded on a map or plan: uncharted waterways; the uncharted desert.
- Unknown: The nation's geopolitical strategy is yet uncharted.
(comparative more uncharted, superlative most uncharted)
- not surveyed or mapped