Unbelievable and Unlikely

Unbelievable

Unbelievable adjective - Too extraordinary or improbable to believe.
Usage example: a completely unbelievable story about why there was lipstick on his collar

Unlikely is a synonym for unbelievable. In some cases you can use "Unlikely" instead an adjective "Unbelievable". popular alternative

Nearby Words: unbelieving, unbeliever

Unlikely

Unlikely adjective - Not likely to be true or to occur.
Usage example: in the unlikely event that the file is deleted or corrupted, you will want to have backup copies available

Unbelievable is a synonym for unlikely in implausible topic. You can use "Unbelievable" instead an adjective "Unlikely", if it concerns topics such as not probable. popular alternative

Nearby Word: unlikeliness
Cite this Source
Unlikely and Unbelievable. (2016). Retrieved 2026, August 24, from https://thesaurus.plus/related/unbelievable/unlikely
Unbelievable & Unlikely. N.p., 2016. Web. 24 Aug. 2026. <https://thesaurus.plus/related/unbelievable/unlikely>.
Unlikely or Unbelievable. 2016. Accessed August 24, 2026. https://thesaurus.plus/related/unbelievable/unlikely.
Google Ngram Viewer shows how "unbelievable" and "unlikely" have occurred on timeline