Open and shut and Sure
Opposite meaning terms
Open and shut
Sure
Sure adjective - Having or showing a mind free from doubt.
Open and shut is an antonym for sure.
Nearby Word: surely
Cite this Source
Sure and Open and shut. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/open_and_shut/sure
Open and shut & Sure. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/open_and_shut/sure>.
Sure or Open and shut. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/open_and_shut/sure.