Adjective
Not placable; not to be appeased; incapable of being pacified; inexorable; as, an implacable prince.
Incapable of ebign relieved or assuaged; inextinguishable.
Source: Webster's dictionaryIf there is a sin against life, it consists perhaps not so much in despairing of life as in hoping for another life and in eluding the implacable grandeur of this life. Albert Camus
The uncompromising attitude is more indicative of an inner uncertainty than of deep conviction. The implacable stand is directed more against the doubt within than the assailant without. Eric Hoffer
The more noisy Negro leaders, by depicting all whites as natural and implacable enemies to their race, have done it a great disservice. Large numbers of whites who were formerly very friendly to it, and willing to go to great lengths to help it, are now resentful and suspicious. H. L. Mencken
Whether you function as welders or inspectors, the laws of physics are implacable lie-detectors. You may fool men. You will never fool the metal. That's all. Lois McMaster Bujold
I should be proud to have my memory graced, but only if the monument be placed... here, where I endured three hundred hours in line before the implacable iron bars. Anna Akhmatova
The German decision to fight is implacable. Even if they were given more than they ask, they would attack just the same, because they are possessed by the demon of destruction. Galeazzo Ciano