Peaceable Ambrose would have remonstrated, but Stephen was implacable.
Else, could I hear the perpetual revilings of her implacable family?
In a soliloquy he declares himself the implacable enemy of Cuzco and the Inca.
It was Karl Yundt who was heard, implacable to his last breath.
The sky was hard, implacable, without a star, but all the same translucid.
He constituted ...