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

They said he entered the U.S. at an unknown date and will remain in ICE custody pending the outcome of his removal proceedings.

From Los Angeles Times • 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

The value of these resources remains unknown, but could be massive.

From BBC • Mar. 31, 2026

In the middle of the night the unknown creature came out of its hiding place and whisked its long antennae over Nhamo’s legs.

From "A Girl Named Disaster" by Nancy Farmer