Firm
Firm adjective - Fully committed to achieving a goal.
Usage example: asked him to reconsider, but he was firm in his commitment to the project
Persistent is a synonym for firm in unalterable topic. In some cases you can use "Persistent" instead an adjective "Firm".
Persistent
Persistent adjective - Continuing despite difficulties, opposition, or discouragement.
Usage example: although his first attempts were singularly unsuccessful, he was persistent in his pursuit of a career in rock music
Firm is a synonym for persistent in determined topic. Sometimes you can use "Firm" instead an adjective "Persistent", if it concerns topics such as steadfast.
Mutual synonyms
Related pairs
Cite this Source
Persistent and Firm. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/firm/persistent
Firm & Persistent. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/firm/persistent>.
Persistent or Firm. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/firm/persistent.
Google Ngram Viewer shows how "firm" and "persistent" have occurred on timeline