Speculative
Speculative adjective - Existing only as an assumption or speculation.
Without basis and speculative are semantically related. In some cases you can use "Without basis" instead an adjective "Speculative".
Without basis
Speculative and without basis are semantically related. Sometimes you can use "Speculative" instead an adjective phrase "Without basis".
Mutual synonyms
Cite this Source
Without basis and Speculative. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/speculative/without_basis
Speculative & Without basis. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/speculative/without_basis>.
Without basis or Speculative. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/speculative/without_basis.
Google Ngram Viewer shows how "speculative" and "without basis" have occurred on timeline