Questionable
Questionable adjective - Giving good reason for being doubted, questioned, or challenged.
Without substantiation and questionable are semantically related. In some cases you can use "Without substantiation" instead an adjective "Questionable".
Without substantiation
Questionable and without substantiation are semantically related. Sometimes you can use "Questionable" instead an adjective phrase "Without substantiation".
Mutual synonyms
Related pairs
- suspect and questionable
- suspect and without substantiation
- dubious and questionable
- dubious and without substantiation
- doubtful and questionable
- doubtful and without substantiation
- flimsy and questionable
- flimsy and without substantiation
- suspicious and questionable
- suspicious and without substantiation
- uncertain and questionable
- uncertain and without substantiation
- indefinite and questionable
- indefinite and without substantiation
Cite this Source
Without substantiation and Questionable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/questionable/without_substantiation
Questionable & Without substantiation. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/questionable/without_substantiation>.
Without substantiation or Questionable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/questionable/without_substantiation.
Google Ngram Viewer shows how "questionable" and "without substantiation" have occurred on timeline