Unknown
Pronunciation: /ənˈnoʊn/
Unknown (adjective)
- not recognized or identified by people.
- not yet found or explored.
Examples
- The author of the book remains unknown.
- The cause of the noise is still unknown.
Common collocations: unknown origin, unknown reason, remain unknown, unknown territory, unknown species
Unknown (noun)
- something that is not known or understood.
Examples
- The unknown of the universe fascinates scientists.
- The case remains an unknown to the detectives.