Unknown
Unknown adjective - Happening or existing without one's knowledge.
Usage example: unknown to me was the fact that while I was out, my family was hurriedly preparing a surprise birthday party
Unacquainted and unknown are semantically related in unfamiliar topic. In some cases you can use "Unacquainted" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Unacquainted
Unacquainted adjective - Not informed about or aware of something.
Unknown and unacquainted are semantically related in unfamiliar topic. You can use "Unknown" instead an adjective "Unacquainted", if it concerns topics such as unfamiliar with.
Mutual synonyms
Cite this Source
Unacquainted and Unknown. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/unknown/unacquainted
Unknown & Unacquainted. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/unknown/unacquainted>.
Unacquainted or Unknown. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/unknown/unacquainted.
Google Ngram Viewer shows how "unknown" and "unacquainted" have occurred on timeline