Not in the least likely
Unimaginable and not in the least likely are semantically related. In some cases you can use "Unimaginable" instead an adjective phrase "Not in the least likely".
Unimaginable
Unimaginable adjective - Too extraordinary or improbable to believe.
Not in the least likely and unimaginable are semantically related. You can use "Not in the least likely" instead an adjective "Unimaginable".
Mutual synonyms
Cite this Source
Unimaginable and Not in the least likely. (2017). Retrieved 2026, August 02, from https://thesaurus.plus/related/not_in_the_least_likely/unimaginable
Not in the least likely & Unimaginable. N.p., 2017. Web. 02 Aug. 2026. <https://thesaurus.plus/related/not_in_the_least_likely/unimaginable>.
Unimaginable or Not in the least likely. 2017. Accessed August 02, 2026. https://thesaurus.plus/related/not_in_the_least_likely/unimaginable.