Faithless and Insistent

Faithless

Faithless adjective - Not true in one's allegiance to someone or something.

Insistent is an antonym for faithless.

Insistent

Insistent adjective - Continuing despite difficulties, opposition, or discouragement.
Usage example: Margaret Sanger is remembered as an insistent crusader for birth control

Faithless is an antonym for insistent.

Cite this Source
Insistent and Faithless. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/faithless/insistent
Faithless & Insistent. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/faithless/insistent>.
Insistent or Faithless. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/faithless/insistent.
Google Ngram Viewer shows how "faithless" and "insistent" have occurred on timeline