The meaning of UNKNOWN is not known. How to use unknown in a sentence.

UNKNOWN meaning: 1. not known or familiar: 2. what is not familiar or known: 3. a person, especially a performer…. Learn more.

UNKNOWN definition: not known; not within the range of one's knowledge, experience, or understanding; strange; unfamiliar. See examples of unknown used in a sentence.

If you say that a particular problem or situation is unknown, you mean that it never occurs. Heart disease was virtually unknown at the turn of the century.

1. not known; not within the range of knowledge, experience, or understanding; strange; unfamiliar. 2. not discovered, explored, identified, or ascertained. 3. not widely known; not …

UNKNOWN definition: 1. not known or familiar: 2. what is not familiar or known: 3. a person, especially a performer….

Unknown is a 2011 action thriller film directed by Jaume Collet-Serra and starring Liam Neeson, Diane Kruger, January Jones, Aidan Quinn, Bruno Ganz, and Frank Langella. [7]

Definition of unknown adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

(chiefly US) The big unknown [=the important thing that everyone would like to know] is how investors will react.

Feb 18, 2011 · Unknown: Directed by Jaume Collet-Serra. With Liam Neeson, Diane Kruger, January Jones, Aidan Quinn. When a man awakens from a coma only to discover that …