Implacable
Implacable adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Solid and implacable are semantically related in headstrong topic. In some cases you can use "Solid" instead an adjective "Implacable".
Nearby Words: implacability, implacably
Solid
Solid adjective - Based on sound reasoning or information.
Implacable and solid are semantically related in headstrong topic. Sometimes you can use "Implacable" instead an adjective "Solid".
Mutual synonyms
Both words in one sentence
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Implacable Man: Both Solid and Liquid Snake due to their status as genetically engineered super soldiers.
Source: Videogame / Metal Gear Solid
Cite this Source
Solid and Implacable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/implacable/solid
Implacable & Solid. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/implacable/solid>.
Solid or Implacable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/implacable/solid.
Google Ngram Viewer shows how "implacable" and "solid" have occurred on timeline