Suppositional
Suppositional adjective - Existing only as an assumption or speculation.
Unfounded and suppositional are semantically related. In some cases you can use "Unfounded" instead an adjective "Suppositional".
Unfounded
Unfounded adjective - Having no basis in reason or fact.
Suppositional and unfounded are semantically related. Sometimes you can use "Suppositional" instead an adjective "Unfounded".
Nearby Word: unfoundedly
Mutual synonyms
Cite this Source
Unfounded and Suppositional. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/suppositional/unfounded
Suppositional & Unfounded. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/suppositional/unfounded>.
Unfounded or Suppositional. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/suppositional/unfounded.
Google Ngram Viewer shows how "suppositional" and "unfounded" have occurred on timeline