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.
The fate of the weapons operator -- who sits behind the pilot during flight -- remains unknown.
From Barron's • Apr. 3, 2026
Apers believe Bigfoot is just a primate unknown to science while Woo-Woos think Bigfoot is some sort of interdimensional traveller - an alien of sort.
From BBC • Apr. 3, 2026
Researchers at Oregon Health & Science University have identified a previously unknown system inside cells that acts like internal "trade winds," rapidly carrying important proteins to the front edge of the cell.
From Science Daily • Apr. 1, 2026
A search of the area did not yield more human remains and it was unknown to whom it belonged.
From Los Angeles Times • Mar. 30, 2026
But as they made the journey toward an unknown fate, some things did not change.
From "In the Shadow of Liberty" by Kenneth C. Davis
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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.