piacularity means the quality of being piacular, of requiring atonement. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Why “piacularity” is a great word
PIACULARITY — [Noun] The quality of requiring atonement or expiation. From the Latin piaculum ("a means of atonement, a sin") and the English suffix -ity, denoting a state or quality. Unlike "culpability," which suggests secular blameworthiness, or "penitence," which refers to the subjective feeling of remorse, piacularity is the objective, ritual stain upon the world that demands a formal remedy. It is the blood-guilt that blights the harvest, the leaden weight of a broken vow, the ancestral debt bequeathed in silence—a recognition that some transgressions alter reality itself, and mere feeling is not enough to set it right.
noun
- The quality of being piacular, of requiring atonement.“1849, Thomas De Quincey "The Theban Sphinx", page 141, The Collected Writings of Thomas De Quincey, volume 6, edited by David Masson, published 1890, by A. & C. Black
[I]t illustrates a profound but obscure idea of pagan ages, which is connected with the elementary glimpses of man into the abysses of his higher relations, and lurks mysteriously amongst what Milton so finely calls "the dark foundat”