(uncountable) The state or quality of being sordid.
1915, Amy Lowell, Six French Poets: Studies in Contemporary Literature (2nd edition), A brooding Northerner, Verhaeren sees the sorrow, the travail, the sordidness, going on all about him, and loves the world just the same, ...
(countable) The result or product of being sordid.
1864, Katherine F. Williams, The Rev. Mr. Allonby., His was a nature— weak I own — that felt a sordidness in narrow means and their attendants ; the ugliness of poverty pained his spirit.