Devoted
Devoted adjective - Firm in one's allegiance to someone or something.
Usage example: remembered her most devoted servants in her will
Faithless
Faithless adjective - Not true in one's allegiance to someone or something.
Usage example: faithless friends who deserted him in his time of need
Both words in one sentence
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Who to one is devoted, to the rest must be faithless; mine is a heart of such infinite affection, there is not one I love not.
Source: Theatre / Don Giovanni -
Job is initially devoted, but Fanny is shallow and faithless.
Source: Film / Mr. Skeffington - A devoted disciple of Myrkul and a Faithless...and that was only the start of their problems.
Cite this Source
Faithless and Devoted. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/devoted/faithless
Devoted & Faithless. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/devoted/faithless>.
Faithless or Devoted. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/devoted/faithless.
Google Ngram Viewer shows how "devoted" and "faithless" have occurred on timeline