Doubtful
Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.
Insolvable and doubtful are semantically related. In some cases you can use "Insolvable" instead an adjective "Doubtful".
Insolvable
Insolvable adjective - Incapable of being solved or accomplished.
Usage example: faced with the perennially insolvable dilemma of having to choose between career and family
Doubtful and insolvable are semantically related. Sometimes you can use "Doubtful" instead an adjective "Insolvable".
Mutual synonyms
Related pairs
- suspect and doubtful
- suspect and insolvable
- dubious and doubtful
- dubious and insolvable
- questionable and doubtful
- questionable and insolvable
- implausible and doubtful
- implausible and insolvable
- shady and doubtful
- shady and insolvable
- suspicious and doubtful
- suspicious and insolvable
- incredible and doubtful
- incredible and insolvable
Cite this Source
Insolvable and Doubtful. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/doubtful/insolvable
Doubtful & Insolvable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/doubtful/insolvable>.
Insolvable or Doubtful. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/doubtful/insolvable.
Google Ngram Viewer shows how "doubtful" and "insolvable" have occurred on timeline