Iron
Iron adjective - Not showing weakness or uncertainty.
Implacable is a synonym for iron in inflexible topic. In some cases you can use "Implacable" instead an adjective "Iron", when it comes to topics like hard, resist.
Implacable
Implacable adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: an implacable judge who knew in his bones that the cover-up extended to the highest levels of government
Iron is a synonym for implacable in resist topic. You can use "Iron" instead an adjective "Implacable".
Nearby Words: implacability, implacably
Mutual synonyms
Related pairs
Cite this Source
Implacable and Iron. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/iron/implacable
Iron & Implacable. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/iron/implacable>.
Implacable or Iron. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/iron/implacable.
Google Ngram Viewer shows how "iron" and "implacable" have occurred on timeline