Not placable; not to be appeased; incapable of being pacified; inexorable; as, an implacable prince. I see thou art implacable. Milton. An object of implacable enmity. Macaulay.
Incapable of ebign relieved or assuaged; inextinguishable. [R.] O! how I burn with implacable fire. Spenser. Which wrought them pain Implacable, and many a dolorous groan. Milton.
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