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

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] The film, …

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 …

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.

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

Define unknown. unknown synonyms, unknown pronunciation, unknown translation, English dictionary definition of unknown. adj. 1. Not known; unfamiliar: a problem unknown in earlier …

6 meanings: 1. not known, understood, or recognized 2. not established, identified, or discovered 3. not famous;.... Click for more definitions.

Jan 20, 2026 · Noun unknown (plural unknowns) (algebra) A variable (usually x, y or z) whose value is to be found. Any thing, place, or situation about which nothing is known; an unknown …

obscure: an unknown writer. n. a thing, influence, area, factor, or person that is unknown: the many unknowns in modern medicine; The director cast an unknown in the leading role. …

Unknown definition: Not known; unfamiliar. A person who is not well known, as to the general public.