Suppositious and Untrue

Suppositious

Suppositious adjective - Based primarily on surmise rather than adequate evidence.
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Synonyms for Suppositious

Untrue and suppositious are semantically related. In some cases you can use "Untrue" instead an adjective "Suppositious".

Untrue

Untrue adjective - Not being in agreement with what is true.

Suppositious and untrue are semantically related. Sometimes you can use "Suppositious" instead an adjective "Untrue".

Nearby Words: untruth, untruly
Cite this Source
Untrue and Suppositious. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/suppositious/untrue
Suppositious & Untrue. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/suppositious/untrue>.
Untrue or Suppositious. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/suppositious/untrue.
Google Ngram Viewer shows how "suppositious" and "untrue" have occurred on timeline