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
Pertinacious and implacable are semantically related In some cases you can use "Pertinacious" instead an adjective "Implacable".
Nearby Words: implacability, implacably
Pertinacious
Pertinacious adjective - Continuing despite difficulties, opposition, or discouragement.
Usage example: a pertinacious little boy who was determined to catch and collect reptiles
Implacable and pertinacious are semantically related in determined topic. Sometimes you can use "Implacable" instead an adjective "Pertinacious".
Nearby Word: pertinacity
Mutual synonyms
Related pairs
- resolute and implacable
- resolute and pertinacious
- determined and implacable
- determined and pertinacious
- inflexible and implacable
- inflexible and pertinacious
- obstinate and implacable
- obstinate and pertinacious
- stubborn and implacable
- stubborn and pertinacious
- unyielding and implacable
- unyielding and pertinacious
- relentless and implacable
- relentless and pertinacious
Cite this Source
Pertinacious and Implacable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/implacable/pertinacious
Implacable & Pertinacious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/implacable/pertinacious>.
Pertinacious or Implacable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/implacable/pertinacious.
Google Ngram Viewer shows how "implacable" and "pertinacious" have occurred on timeline