Previously unencountered
Unknown and previously unencountered are semantically related. In some cases you can use "Unknown" instead an adjective phrase "Previously unencountered".
Unknown
Unknown adjective - Happening or existing without one's knowledge.
Previously unencountered and unknown are semantically related. You can use "Previously unencountered" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Mutual synonyms
Cite this Source
Unknown and Previously unencountered. (2017). Retrieved 2026, August 09, from https://thesaurus.plus/related/previously_unencountered/unknown
Previously unencountered & Unknown. N.p., 2017. Web. 09 Aug. 2026. <https://thesaurus.plus/related/previously_unencountered/unknown>.
Unknown or Previously unencountered. 2017. Accessed August 09, 2026. https://thesaurus.plus/related/previously_unencountered/unknown.
Google Ngram Viewer shows how "previously unencountered" and "unknown" have occurred on timeline