Immovable
Immovable adjective - Incapable of moving or being moved.
Secure is a synonym for immovable in fixed topic. In some cases you can use "Secure" instead an adjective "Immovable", when it comes to topics like characteristic, stable.
Nearby Words: immovability, immovably
Cite this Source
Secure and Immovable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/immovable/secure
Immovable & Secure. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/immovable/secure>.
Secure or Immovable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/immovable/secure.
Google Ngram Viewer shows how "immovable" and "secure" have occurred on timeline