immitigable

comparative more immitigable · superlative most immitigable

1. That cannot be mitigated

   He was intent on an audacious, immitigable, and supernatural revenge.

   1851 November 14, Herman Melville, “Chapter 41”, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC

   2 more examples

   "Oh, my dear son, the plague in this town is raging with immitigable violence, and I am always fancying you will come home infected with it. […]"

   1887, Benvenuto Cellini, chapter XXXIX, in John Addington Symonds, transl., Autobiography, New York: P.F. Collier & Son, published 1910, page 81

   "[…] Matter is running down and the universe itself will one day become extinct. An everlasting and immitigable nothingness, in the void of black and absolute−"

   1949, Peter de Vries, chapter 13, in The Tunnel of Love, New York: Popular Library, published 1978, page 149