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 deep interiors of ice giant planets such as Uranus and Neptune may contain a previously unknown form of matter.

From Science Daily • Apr. 21, 2026

This is the first group of an unknown number of people that the US has expelled which the DR Congo had agreed to take in.

From BBC • Apr. 18, 2026

"These counter-intuitive findings raise important questions about an unknown environmental risk factor for lung cancer related to otherwise beneficial food that needs to be addressed."

From Science Daily • Apr. 17, 2026

She recalled being lost in an unknown part of town and wanting to call her mother to come pick her up, the affidavit said.

From Los Angeles Times • Apr. 15, 2026

Even Paul Marshall, Bobby’s lawyer, addressed Bobby’s “dread”: “Bobby fears the unknown, whatever lies beyond his control. He tries to eliminate any element of chance from his life and his chess.”

From "Endgame" by Frank Brady