Highly unlikely
Unbelievable and highly unlikely are semantically related. In some cases you can use "Unbelievable" instead an adjective phrase "Highly unlikely".
Unbelievable
Unbelievable adjective - Too extraordinary or improbable to believe.
Highly unlikely and unbelievable are semantically related. You can use "Highly unlikely" instead an adjective "Unbelievable".
Nearby Words: unbelieving, unbeliever
Mutual synonyms
Related pairs
- dubious and highly unlikely
- dubious and unbelievable
- doubtful and highly unlikely
- doubtful and unbelievable
- outrageous and highly unlikely
- outrageous and unbelievable
- implausible and highly unlikely
- implausible and unbelievable
- incredible and highly unlikely
- incredible and unbelievable
- unconvincing and highly unlikely
- unconvincing and unbelievable
- improbable and highly unlikely
- improbable and unbelievable
Cite this Source
Unbelievable and Highly unlikely. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/highly_unlikely/unbelievable
Highly unlikely & Unbelievable. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/highly_unlikely/unbelievable>.
Unbelievable or Highly unlikely. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/highly_unlikely/unbelievable.
Google Ngram Viewer shows how "highly unlikely" and "unbelievable" have occurred on timeline