Doubtful
Doubtful adjective - Not likely to be true or to occur.
Usage example: our winning the championship increasingly looks like a doubtful outcome
Implausible is a synonym for doubtful in unlikely topic. In some cases you can use "Implausible" instead an adjective "Doubtful".
Implausible
Implausible adjective - Too extraordinary or improbable to believe.
Usage example: the terrorist attacks generated a whole passel of implausible conspiracy theories that dishonor the memory of those who perished
Doubtful is a synonym for implausible in unlikely topic. You can use "Doubtful" instead an adjective "Implausible", if it concerns topics such as not likely.
Nearby Word: implausibly
Mutual synonyms
Related pairs
- suspect and doubtful
- suspect and implausible
- dubious and doubtful
- dubious and implausible
- questionable and doubtful
- questionable and implausible
- obscure and doubtful
- obscure and implausible
- remote and doubtful
- remote and implausible
- suspicious and doubtful
- suspicious and implausible
- incredible and doubtful
- incredible and implausible
Cite this Source
Implausible and Doubtful. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/doubtful/implausible
Doubtful & Implausible. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/doubtful/implausible>.
Implausible or Doubtful. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/doubtful/implausible.
Google Ngram Viewer shows how "doubtful" and "implausible" have occurred on timeline