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
Tenacious and implacable are semantically related In some cases you can use "Tenacious" instead an adjective "Implacable".
Nearby Words: implacability, implacably
Tenacious
Tenacious adjective - Continuing despite difficulties, opposition, or discouragement.
Usage example: a tenacious trainer, she adheres to her grueling swimming schedule no matter what
Implacable and tenacious are semantically related in persevering topic. Sometimes you can use "Implacable" instead an adjective "Tenacious".
Nearby Words: tenacity, tenaciously
Mutual synonyms
Related pairs
- firm and implacable
- firm and tenacious
- resolute and implacable
- resolute and tenacious
- determined and implacable
- determined and tenacious
- steadfast and implacable
- steadfast and tenacious
- inflexible and implacable
- inflexible and tenacious
- obstinate and implacable
- obstinate and tenacious
- stubborn and implacable
- stubborn and tenacious
Both words in one sentence
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Being made up of a sort of alien lego, they aren't particularly chitinous or drooling, but they are as implacable and tenacious as anything else on this page.
Source: Bug War -
Implacable Man: Erik the Awful, the brutal, and tenacious.
Source: Music / Ray Stevens
Cite this Source
Tenacious and Implacable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/implacable/tenacious
Implacable & Tenacious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/implacable/tenacious>.
Tenacious or Implacable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/implacable/tenacious.
Google Ngram Viewer shows how "implacable" and "tenacious" have occurred on timeline