Steadfast
Steadfast adjective - Firm in one's allegiance to someone or something.
Usage example: a steadfast supporter of women's rights
Solid is a synonym for steadfast in headstrong topic. In some cases you can use "Solid" instead an adjective "Steadfast".
Nearby Words: steadfastness, steadfastly
Solid
Solid adjective - Worthy of one's trust.
Usage example: a solid source of information to reporters
Steadfast is a synonym for solid in dependable topic. You can use "Steadfast" instead an adjective "Solid", if it concerns topics such as headstrong.
Mutual synonyms
Cite this Source
Solid and Steadfast. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/steadfast/solid
Steadfast & Solid. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/steadfast/solid>.
Solid or Steadfast. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/steadfast/solid.
Google Ngram Viewer shows how "steadfast" and "solid" have occurred on timeline