Adjective: unconscionable ,ún'kón-shu-nu-bul
- Lacking a conscience
"an unconscionable liar";
- conscienceless
- (of a cost) unreasonably high or excessive
"unconscionable spending"; "The restaurant charged unconscionable prices for basic dishes";";
- exorbitant, extortionate, outrageous, steep, usurious [formal], exhorbitant [non-standard], eye-watering [informal]
See also: immoderate, unconscientious
Encyclopedia: Unconscionable