Unclassifiable
Unclassifiable adjective - Not possible to classify.
Unknowable and unclassifiable are semantically related. In some cases you can use "Unknowable" instead an adjective "Unclassifiable".
Unknowable
Unknowable adjective - Not knowable.
Unclassifiable and unknowable are semantically related. Sometimes you can use "Unclassifiable" instead an adjective "Unknowable".
Mutual synonyms
Cite this Source
Unknowable and Unclassifiable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/unclassifiable/unknowable
Unclassifiable & Unknowable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/unclassifiable/unknowable>.
Unknowable or Unclassifiable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/unclassifiable/unknowable.
Google Ngram Viewer shows how "unclassifiable" and "unknowable" have occurred on timeline