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
Supposed and questionable are semantically related. In some cases you can use "Supposed" instead an adjective "Questionable".
Supposed
Supposed adjective - Doubtful or suspect.
Questionable and supposed are semantically related. Sometimes you can use "Questionable" instead an adjective "Supposed".
Mutual synonyms
Both words in one sentence
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Black and Gray Morality: The supposed "good" (at least according to Loose Change) Equinus Republic is a clear example of this, as some of their actions have very clearly questionable morals.
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Black and Grey Morality: A lot of the supposed good guys do a lot of highly questionable things.
Source: Anime / Angel Cop -
Viggo Mortensen as Aragorn, who is supposed to be raised by elves, speaks the human language with an affected, slightly questionable English accent, but retains his natural Danish-American accent for speaking Elvish.
Source: The Queen's Latin
Cite this Source
Supposed and Questionable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/questionable/supposed
Questionable & Supposed. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/questionable/supposed>.
Supposed or Questionable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/questionable/supposed.
Google Ngram Viewer shows how "questionable" and "supposed" have occurred on timeline