Open
Open adjective - Not yet settled or decided.
Usage example: that issue will have to remain open until the supervisor can decide
Undecided is a synonym for open in unresolved topic. In some cases you can use "Undecided" instead an adjective "Open", when it comes to topics like opinion, certain, debatable. popular alternative
Undecided
Undecided adjective - Not yet settled or decided.
Usage example: a number of undecided matters still before the committee
Open is a synonym for undecided in opinion topic. You can use "Open" instead an adjective "Undecided", if it concerns topics such as certain, undetermined, debatable, not sure. popular alternative
Nearby Word: undecidedly
Mutual synonyms
Both words in one sentence
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The Meyer camp tries to get Jonah elected to the House of Representatives so he can vote for Selina in the House vote for president, which he promptly does, resulting in an undecided House vote and open door for Tom James to take the presidency.
Source: Series / Veep
Cite this Source
Undecided and Open. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/open/undecided
Open & Undecided. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/open/undecided>.
Undecided or Open. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/open/undecided.
Google Ngram Viewer shows how "open" and "undecided" have occurred on timeline