Open
Open adjective - Not yet settled or decided.
Usage example: that issue will have to remain open until the supervisor can decide
Sure
Both words in one sentence
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When passing it over, make sure it's open so the recipient can check to make sure it's not loaded.
Source: Artistic License Gun Safety -
A security guard goes through a number of scans and checks (iris scan, voice recognition, access code, etc.) to open a door in the White House, prompting Mortadelo to remark that "Security sure is tight." Then along comes the cleaning lady, who just kicks the door a few times to open it.
Source: "Open!" Says Me -
On the big or small screen, if someone falls over motionless with their eyes wide open, it is a sure sign that they are dead—not unconscious, not capable of being resuscitated, but dead for good.
Source: Dies Wide Open
Cite this Source
Sure and Open. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/open/sure
Open & Sure. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/open/sure>.
Sure or Open. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/open/sure.
Google Ngram Viewer shows how "open" and "sure" have occurred on timeline