Inconceivable and Undoubted

Opposite meaning words

Inconceivable adjective - Too extraordinary or improbable to believe.

Usage example: the formerly inconceivable idea that humans could land on the moon

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Undoubted is an antonym for inconceivable.

Nearby Word: inconceivability

Definitions of Inconceivable not found.

Inconceivable is an antonym for undoubted.

Nearby Word: undoubtedly

Cite this Source

Undoubted and Inconceivable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/inconceivable/undoubted

Inconceivable & Undoubted. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/inconceivable/undoubted>.

Undoubted or Inconceivable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/inconceivable/undoubted.

Google Ngram Viewer shows how "inconceivable" and "undoubted" have occurred on timeline