Infallible
Infallible adjective - Not being or likely to be wrong.
Solid and infallible are semantically related. In some cases you can use "Solid" instead an adjective "Infallible".
Nearby Words: infallibly, infallibility
Solid
Solid adjective - Worthy of one's trust.
Usage example: a solid source of information to reporters
Infallible and solid are semantically related. Sometimes you can use "Infallible" instead an adjective "Solid".
Mutual synonyms
Cite this Source
Solid and Infallible. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/infallible/solid
Infallible & Solid. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/infallible/solid>.
Solid or Infallible. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/infallible/solid.
Google Ngram Viewer shows how "infallible" and "solid" have occurred on timeline