Implacable and Obstinate

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

Obstinate is a synonym for implacable in headstrong topic. In some cases you can use "Obstinate" instead an adjective "Implacable".

Nearby Words: implacability, implacably

Obstinate

Obstinate adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: the child was obstinate about wanting that specific toy, despite being offered several others

Implacable is a synonym for obstinate in stubborn topic. Sometimes you can use "Implacable" instead an adjective "Obstinate", if it concerns topics such as headstrong.

Nearby Words: obstinacy, obstinately
Cite this Source
Obstinate and Implacable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/implacable/obstinate
Implacable & Obstinate. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/implacable/obstinate>.
Obstinate or Implacable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/implacable/obstinate.
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