Implacable and Vindictive

Implacable

Implacable adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.

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

Nearby Words: implacability, implacably

Vindictive

Vindictive adjective - Likely to seek revenge.
Usage example: be careful not to annoy the vindictive old woman who lives down the street

Implacable is a synonym for vindictive in vengeful topic. You can use "Implacable" instead an adjective "Vindictive", if it concerns topics such as hateful.

Nearby Word: vindictively
Cite this Source
Vindictive and Implacable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/implacable/vindictive
Implacable & Vindictive. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/implacable/vindictive>.
Vindictive or Implacable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/implacable/vindictive.
Google Ngram Viewer shows how "implacable" and "vindictive" have occurred on timeline