Supposable and Unreasonable

Opposite meaning words

Supposable adjective - Capable of being inferred on slight grounds.

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Unreasonable adjective - Having no basis in reason or fact.

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Supposable is an antonym for unreasonable.

Cite this Source

Unreasonable and Supposable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/supposable/unreasonable

Supposable & Unreasonable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/supposable/unreasonable>.

Unreasonable or Supposable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/supposable/unreasonable.

Google Ngram Viewer shows how "supposable" and "unreasonable" have occurred on timeline