Implacable
Implacable adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Stiff and implacable are semantically related. In some cases you can use "Stiff" instead an adjective "Implacable".
Nearby Words: implacability, implacably
Stiff
Stiff adjective - Incapable of or highly resistant to bending.
Implacable and stiff are semantically related. Sometimes you can use "Implacable" instead an adjective "Stiff".
Mutual synonyms
Related pairs
Cite this Source
Stiff and Implacable. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/implacable/stiff
Implacable & Stiff. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/implacable/stiff>.
Stiff or Implacable. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/implacable/stiff.
Google Ngram Viewer shows how "implacable" and "stiff" have occurred on timeline