Firm
Firm adjective - Marked by firm determination or resolution; not shakable.
Usage example: firm convictions
Steadfast is a synonym for firm in resolute topic. In some cases you can use "Steadfast" instead an adjective "Firm", when it comes to topics like purpose, character trait, determined, unalterable. popular alternative
Steadfast
Steadfast adjective - Marked by firm determination or resolution; not shakable.
Usage example: steadfast resolve
Firm is a synonym for steadfast in resolute topic. You can use "Firm" instead the word "Steadfast" as an adjective or a noun, if it concerns topics such as characteristic, purpose, property, character trait. popular alternative
Nearby Words: steadfastness, steadfastly
Mutual synonyms
Both words in one sentence
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Gambler's Fallacy: Pete is a firm subscriber to this due to his steadfast belief that dice have memories, can be "cursed" or "blessed", and can have the 1s prerolled out of them.
Source: Webcomic / Darths & Droids - A steadfast woman who never sways from her life's mission, but sees things in black and white; she is a firm believer in "the ends justify the means".
Source: Master Character Heroines
Cite this Source
Steadfast and Firm. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/firm/steadfast
Firm & Steadfast. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/firm/steadfast>.
Steadfast or Firm. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/firm/steadfast.
Google Ngram Viewer shows how "firm" and "steadfast" have occurred on timeline