Believable and Unconceivable
Opposite meaning words
Believable
Believable adjective - Worthy of being accepted as true or reasonable.
Unconceivable is an antonym for believable.
Unconceivable
Unconceivable adjective - Too extraordinary or improbable to believe.
Usage example: it's unconceivable that a once-promising actor could end up this way
Believable is an antonym for unconceivable.
Cite this Source
Unconceivable and Believable. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/believable/unconceivable
Believable & Unconceivable. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/believable/unconceivable>.
Unconceivable or Believable. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/believable/unconceivable.
Google Ngram Viewer shows how "believable" and "unconceivable" have occurred on timeline