disgusting (from the upper lat. vg. escharosus , from lat. esch? ra , scab, and this from gr. eschára ) 1 adj. It applies to that which produces physical or moral repulsion. 2 (inf.) Applied to things and people, very dirty. 3 (vulg.) It is used as an insult applied to a person who dislikes by his behavior or who bothers with his words or actions. 4 Prone to feel disgust.