Open
Open adjective - Not yet settled or decided.
Usage example: that issue will have to remain open until the supervisor can decide
Uncertain is a synonym for open in opinion topic. In some cases you can use "Uncertain" instead an adjective "Open", when it comes to topics like certain, undecided, debatable.
Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Open is a synonym for uncertain in opinion topic. Sometimes you can use "Open" instead an adjective "Uncertain", if it concerns topics such as certain, debatable.
Nearby Words: uncertainty, uncertainly
Mutual synonyms
Both words in one sentence
- Harry himself develops from the uncertain, quiet and repressed kid to a more confident, assertive and powerful young man who is much more open with his feelings.
- Long-time Doctor Who fan Craig Ferguson, in the "lost" cold open of his Doctor Who tribute episode, described the Doctor as "a force for good in an uncertain universe" and the series itself as being about "the triumph of intellect and romance over brute force and cynicism."
Cite this Source
Uncertain and Open. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/open/uncertain
Open & Uncertain. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/open/uncertain>.
Uncertain or Open. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/open/uncertain.
Google Ngram Viewer shows how "open" and "uncertain" have occurred on timeline