In doubt
Open and in doubt are semantically related. in not refuted topic. In some cases you can use "Open" instead an adjective phrase "In doubt".
Mutual synonyms
Both terms in one sentence
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Subverted in The Princess Bride: the narrator's father said that the characters "lived happily ever after," but when the narrator gets around to reading the book himself as an adult, he finds out that it's actually an open ending with the success of the escape left in doubt.
Source: Happily Ever After
Cite this Source
Open and In doubt. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/in_doubt/open
In doubt & Open. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/in_doubt/open>.
Open or In doubt. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/in_doubt/open.
Google Ngram Viewer shows how "in doubt" and "open" have occurred on timeline