Implacable and Intractable

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

Intractable is a synonym for implacable in merciless topic. In some cases you can use "Intractable" instead an adjective "Implacable", when it comes to topics like ruthless, headstrong.

Nearby Words: implacability, implacably

Intractable

Intractable adjective - Given to resisting authority or another's control.
Usage example: an intractable child who deliberately does the opposite of whatever he is told

Implacable is a synonym for intractable in headstrong topic. Sometimes you can use "Implacable" instead an adjective "Intractable".

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