adj

implacable

ihm-PLA-kuhbl

Implacable (adj) means Unable to be calmed or satisfied; unrelenting in hostility or determination. Example: “He became an implacable enemy of the regime.”

adj

Unable to be calmed or satisfied; unrelenting in hostility or determination.

"He became an implacable enemy of the regime."

"Her implacable resolve never wavered, even under pressure."

How to use implacable

Learner’s notes

In plain EnglishSo determined or hostile that nothing will calm them down or change their mind.

Common pairings

implacable enemy implacable opposition implacable hatred

Word forms

more implacable comparative, most implacable superlative

Study it as flashcards or scroll it in Flow — saved to your collection.

Test yourself on “implacable” A quick quiz — meaning, synonyms & usage →

Fill the gap

Can you complete this real example?

He became an _____ enemy of the regime.

Etymology

From Latin implacabilis, from im- ("not") + placabilis ("able to be appeased").

Origin: Latin

Rhymes for implacable

able fable cable table viable liable stable tenable parable affable amiable notable

See all rhymes for implacable →

Frequently asked questions

What does “implacable” mean?

The word “implacable” means unable to be calmed or satisfied; unrelenting in hostility or determination. In plain terms, so determined or hostile that nothing will calm them down or change their mind.

How do you pronounce “implacable”?

“Implacable” is pronounced ihm-PLA-kuhbl (/ɪmˈplækəbəl/ in IPA).

How do you use “implacable” in a sentence?

Here is “implacable” used in a sentence: “He became an implacable enemy of the regime.”

What part of speech is “implacable”?

“Implacable” is an adjective.

Where does the word “implacable” come from?

The word “implacable” comes from Latin. From Latin implacabilis, from im- ("not") + placabilis ("able to be appeased").