Stable
Stable adjective - Having been established and usually not subject to change.
Usage example: a troubled nation badly in need of a stable government
Sure is a synonym for stable in secure topic. In some cases you can use "Sure" instead an adjective "Stable", when it comes to topics like continue, constant.
Mutual synonyms
Cite this Source
Sure and Stable. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/stable/sure
Stable & Sure. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/stable/sure>.
Sure or Stable. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/stable/sure.
Google Ngram Viewer shows how "stable" and "sure" have occurred on timeline