Auxiliary
Auxiliary adjective - Available to supply something extra when needed.
Unknown
Unknown adjective - Happening or existing without one's knowledge.
Auxiliary and unknown are semantically related. Sometimes you can use "Auxiliary" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Both words in one sentence
- Unknown to him, Denis Arilan (auxiliary bishop of Kelson's capital Rhemuth) is also a member of that Council, and no one told him about it.
Source: Offscreen Karma
Cite this Source
Unknown and Auxiliary. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/auxiliary/unknown
Auxiliary & Unknown. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/auxiliary/unknown>.
Unknown or Auxiliary. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/auxiliary/unknown.
Google Ngram Viewer shows how "auxiliary" and "unknown" have occurred on timeline