Not charted or recorded on a map or plan: uncharted waterways; the uncharted desert. (adjective)
Unknown: The nation's geopolitical strategy is yet uncharted. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "uncharted" in a sentence
"Companies that service mortgages "may be in uncharted waters as they have never been challenged by the judicial system as extensively as they are now," analysts at FBR wrote."
"As Molly quoted me, "We are in uncharted territory.""
"Mr. Silver and I apparently agree that we are in "uncharted territory" and that his first analysis deserved the extra skepticism I heaped on it."