Secure
Secure adjective - Worthy of one's trust.
Usage example: a fund that should provide them with a secure income in their retirement
Steadfast is a synonym for secure in characteristic topic. In some cases you can use "Steadfast" instead an adjective "Secure", when it comes to topics like certain.
Steadfast
Steadfast adjective - Firm in one's allegiance to someone or something.
Nearby Words: steadfastness, steadfastly
Mutual synonyms
Cite this Source
Steadfast and Secure. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/secure/steadfast
Secure & Steadfast. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/secure/steadfast>.
Steadfast or Secure. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/secure/steadfast.
Google Ngram Viewer shows how "secure" and "steadfast" have occurred on timeline