inexorable

Impossible to prevent or stop; inevitable.

[…] but inexorable yron detaines him in the dungeon of the night, fo that (pure creature) hee can neither traffique with the mercers and tailers as he was wont, nor dominere in tavernes as hee ought.

What greater follie can there be, than for a man to torment himselfe for nothing, and that willingly and of purpose, to pray and importune him, whom he knowes to be inexorable; to knocke at that dore that cannot be opened?

Unable to be persuaded; relentless; unrelenting.

Armed with the authority of theſe decrees, James [VI and I] reſolved to cruſh entirely the mutinous ſpirit of his ſubjects. […] The King continued inexorable, the city was declared to have forfeited its privileges as a Corporation, and to be liable to all the penalties of treaſon.

Adamant; severe.

But to ſhew how God of a moſt loving Father becomes a ſevere and inexorable judge, without any change, this alone is to the purpoſe. For the very māner of propoſing it doth imply the ceaſing to be a loving Father which he was, but becomes a ſevere & inexorable judge, which he was not.

You ſay, there is no Nation, except our own, where there is any Distinction made, betwixt Manſlaughter and Murder; and that the Edict against Duelling in France, is of all others the moſt inexorable. I muſt beg Leave to differ with you in both theſe Points; the Edict againſt Duelling is no more inexorable than any other Edict, but I believe it to be more juſt, becauſe founded upon the Law of God, […]