definition of
lousiness

[1] #1 lousiness n. [pediculosis] infestation with lice (Pediculus humanus) resulting in severe itching. wn

[2] #2 lousiness n. [loathsomeness, repulsiveness, sliminess, vileness, wickedness] the quality of being disgusting to the senses or emotions; "the vileness of his language surprised us". wn