ETYM Old Eng. hidous, Old Fren. hidous, hidos, hidus, hisdos, hisdous, French hideux: cf. Old Fren. hide, hisde, fright; of uncertain origin; cf. Old High Germ. egidî horror, or Latin hispidosus, for hispidus rough, bristly, Eng. hispid.
1. Grossly offensive to decency or morality; causing horror; SYN. horrid, horrific, outrageous.
2. So extremely ugly as to be terrifying; SYN. repulsive.