unknown
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Whether my siblings knew that would happen is unknown.
From MarketWatch
A newly published study in Science announces the discovery of Spinosaurus mirabilis, a previously unknown species of spinosaurid dinosaur uncovered in Niger.
From Science Daily
Since then, thousands of family members of foreign jihadists have left for unknown destinations.
From Barron's
“I don’t want to be anywhere else. The past contains regrets. The future remains unknown, so you have to live now,” Dane said.
From Los Angeles Times
The newly identified genomes also revealed previously unknown protein groups, doubling the number of recognized enzymatic classes within these microbes.
From Science Daily
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.