Mysterious
Mysterious adjective - Being beyond one's powers to know, understand, or explain.
Unsourced and mysterious are semantically related. In some cases you can use "Unsourced" instead an adjective "Mysterious".
Nearby Words: mystery, mysteriously
Unsourced
Mysterious and unsourced are semantically related. Sometimes you can use "Mysterious" instead an adjective "Unsourced".
Mutual synonyms
Cite this Source
Unsourced and Mysterious. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/mysterious/unsourced
Mysterious & Unsourced. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/mysterious/unsourced>.
Unsourced or Mysterious. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/mysterious/unsourced.
Google Ngram Viewer shows how "mysterious" and "unsourced" have occurred on timeline