Adjective: extortionate ik'stor-shu-nut or ek'stor-shu-nut
- (of a cost) unreasonably high or excessive
"extortionate prices"; "The restaurant charged extortionate prices for basic dishes";";
- exorbitant, outrageous, steep, unconscionable, usurious [formal], exhorbitant [non-standard], eye-watering [informal]
- (law) involving extortion or practices that extort money
"The gang's extortionate demands threatened local businesses"
See also: immoderate