inveterateness

Etymology

From inveterate + -ness.

inveterateness means inveteracy. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

inveteracy“Twas the first play he praised on mortality; and as time hath rendred him more perfect in the Art, so hath the inveterateness of his malice more ready in the execution”