Conjectural
Conjectural adjective - Existing only as an assumption or speculation.
Unfounded and conjectural are semantically related in unproven topic. In some cases you can use "Unfounded" instead an adjective "Conjectural".
Unfounded
Unfounded adjective - Having no basis in reason or fact.
Conjectural and unfounded are semantically related in speculative topic. Sometimes you can use "Conjectural" instead an adjective "Unfounded".
Nearby Word: unfoundedly
Mutual synonyms
Cite this Source
Unfounded and Conjectural. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/conjectural/unfounded
Conjectural & Unfounded. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/conjectural/unfounded>.
Unfounded or Conjectural. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/conjectural/unfounded.
Google Ngram Viewer shows how "conjectural" and "unfounded" have occurred on timeline