Rigid
Unfailing
Unfailing adjective - Not being or likely to be wrong.
Rigid and unfailing are semantically related. Sometimes you can use "Rigid" instead an adjective "Unfailing".
Nearby Word: unfailingly
Mutual synonyms
Both words in one sentence
- Even later in season one, Scully becomes infamous for her rigid control on her emotions, her staunch independence, and her unfailing logic.
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Kronar, Son of Man: A mighty barbarian warrior with rigid, unfailing honor.
Source: Webcomic / Oglaf
Cite this Source
Unfailing and Rigid. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/rigid/unfailing
Rigid & Unfailing. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/rigid/unfailing>.
Unfailing or Rigid. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/rigid/unfailing.
Google Ngram Viewer shows how "rigid" and "unfailing" have occurred on timeline