Questionable
Questionable adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: the runner's unexpected first-place finish is questionable, so a drug test has been ordered
Undecided is a synonym for questionable in opinion topic. In some cases you can use "Undecided" instead an adjective "Questionable", when it comes to topics like open, uncertain, debatable, unverified.
Undecided
Undecided adjective - Not yet settled or decided.
Questionable is a synonym for undecided in opinion topic. You can use "Questionable" instead an adjective "Undecided", if it concerns topics such as open, ambiguous, uncertain, debatable.
Nearby Word: undecidedly
Mutual synonyms
Related pairs
- open and questionable
- open and undecided
- dubious and questionable
- dubious and undecided
- unsettled and questionable
- unsettled and undecided
- doubtful and questionable
- doubtful and undecided
- suspicious and questionable
- suspicious and undecided
- undetermined and questionable
- undetermined and undecided
- vague and questionable
- vague and undecided
Cite this Source
Undecided and Questionable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/questionable/undecided
Questionable & Undecided. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/questionable/undecided>.
Undecided or Questionable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/questionable/undecided.
Google Ngram Viewer shows how "questionable" and "undecided" have occurred on timeline