Formidable and Implacable

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mutual synonyms sentence examples

Formidable

Formidable adjective - Causing fear.
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Synonyms for Formidable
Antonyms for Formidable
Implacable and formidable are semantically related. In some cases you can use "Implacable" instead an adjective "Formidable".
Nearby Word: formidably

Implacable

Implacable adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
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Synonyms for Implacable
Antonyms for Implacable
Formidable and implacable are semantically related. Sometimes you can use "Formidable" instead an adjective "Implacable".
Nearby Words: implacability, implacably

Mutual synonyms

Both words in one sentence

  • Kaiju Worm includes a particularly formidable bunch called the Endbringers: Massive humanoid monstrosities with extremely powerful macro-scale superpowers and Nigh-Invulnerability, which are collectively engaged in a slow but implacable campaign to wipe out humanity for reasons unknown.
    Source: Kaiju
Cite this Source
Implacable and Formidable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/formidable/implacable
Formidable & Implacable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/formidable/implacable>.
Implacable or Formidable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/formidable/implacable.

Synonyms for formidable


Synonyms for implacable

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