How Can "implacable" Be Used in a Sentence?

One example of a sentence using "implacable" is, "She had an implacable anger toward her ex-husband." Implacable is an adjective, and gets its origins in Middle English. It is derived from the Latin "implacabilis" and is used to describe a very intense negative emotion.

Implacable can be defined as "not capable of being appeased" and is often used to describe someone being unreasonable. Implacable was first used in the 15th century, and synonyms include "intractable," "unyielding" and "unforgiving." Related forms of the word include the noun "implacability" and the adverb "implacably." Antonyms for implacable are "placable," "compassionate," "kind" and "merciful."