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 Wall Street Journal and other US media, citing unnamed officials, reported that American forces had blown up two C-130s after they became stuck for unknown reasons.

From Barron's • Apr. 5, 2026

A search and rescue mission successfully recovered the pilot of the jet, but what happened to the jet's second crew member, a weapons systems officer, remains unknown, CBS News has reported.

From BBC • Apr. 4, 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

The origins of gladiatorial combat are unknown, though it was generally agreed by the Romans that it had been a foreign import.

From The Wall Street Journal • Apr. 3, 2026

Within an hour I know it contains an unknown parasite similar to cryptosporidium, but no heavy metals.

From "The Last Cuentista" by Donna Barba Higuera