Doubtful
Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.
Unconceivable and doubtful are semantically related. In some cases you can use "Unconceivable" instead an adjective "Doubtful".
Unconceivable
Unconceivable adjective - Too extraordinary or improbable to believe.
Usage example: it's unconceivable that a once-promising actor could end up this way
Doubtful and unconceivable are semantically related. Sometimes you can use "Doubtful" instead an adjective "Unconceivable".
Mutual synonyms
Related pairs
- suspect and doubtful
- suspect and unconceivable
- dubious and doubtful
- dubious and unconceivable
- questionable and doubtful
- questionable and unconceivable
- implausible and doubtful
- implausible and unconceivable
- suspicious and doubtful
- suspicious and unconceivable
- incredible and doubtful
- incredible and unconceivable
- unconvincing and doubtful
- unconvincing and unconceivable
Cite this Source
Unconceivable and Doubtful. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/doubtful/unconceivable
Doubtful & Unconceivable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/doubtful/unconceivable>.
Unconceivable or Doubtful. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/doubtful/unconceivable.
Google Ngram Viewer shows how "doubtful" and "unconceivable" have occurred on timeline