He renewed against Danglars, Fernand, and Villefort the oath of implacable vengeance he had made in his dungeon.
He clung to one idea—that of his happiness, destroyed, without apparent cause, by an unheard-of fatality; he considered and reconsidered this idea, devoured it (so to speak), as the implacable Ugolino devours the skull of Archbishop Roger in the Inferno of Dante.
What does the angel of light or the angel of darkness say to that mind, at once implacable and generous?
The young man’s implacable eyes interrogated Villefort, who, on his side, glanced from Noirtier to d’Avrigny.
The president called for the indictment, revised as we know, by the clever and implacable pen of Villefort.
Oh, heavens—you are, then, some secret, implacable, and mortal enemy!
For the first time in his life, Danglars contemplated death with a mixture of dread and desire; the time had come when the implacable spectre, which exists in the mind of every human creature, arrested his attention and called out with every pulsation of his heart, "Thou shalt die!"
He returned thus, formidable and implacable, advancing with his arms crossed on his breast, towards the general, who could not understand why he had disappeared, but who on seeing him again, and feeling his teeth chatter and his legs sink under him, drew back, and only stopped when he found a table to support his clinched hand.
"Excuse me," said the implacable young girl, "Monsieur Albert claims and well deserves his share.
…Franz had finished reading this account, so dreadful for a son; when Valentine, pale with emotion, had wiped away a tear; when Villefort, trembling, and crouched in a corner, had endeavored to lessen the storm by supplicating glances at the implacable old man,—"Sir," said d’Epinay to Noirtier, "since you are well acquainted with all these details, which are attested by honorable signatures,—since you appear to take some interest in me, although you have only manifested it hitherto by…
There are no more uses of "implacable" in the book.