Estimated
Unknown
Unknown adjective - Happening or existing without one's knowledge.
Estimated and unknown are semantically related. Sometimes you can use "Estimated" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Mutual synonyms
Both words in one sentence
- Time Skip: An unknown amount of time (estimated to a century) has passed since Space Quest II.
-
The overall toll of this conflict is largely unknown, but is estimated at around 6,000.
Source: Just For Fun / Ponies with Pikes -
Its exact age is unknown, but is estimated to be rougly 19,000 years.
Source: Time Abyss
Cite this Source
Unknown and Estimated. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/estimated/unknown
Estimated & Unknown. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/estimated/unknown>.
Unknown or Estimated. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/estimated/unknown.
Google Ngram Viewer shows how "estimated" and "unknown" have occurred on timeline