1. (

• conscienceless ,
• unconscionable

) lacking a conscience; "a conscienceless villain"; "brash, unprincipled, and conscienceless"; "an unconscionable liar" ;

2. (

• exorbitant ,
• extortionate ,
• outrageous ,
• steep ,
• unconscionable ,
• usurious

) greatly exceeding bounds of reason or moderation; "exorbitant rent"; "extortionate prices"; "spends an outrageous amount on entertainment"; "usurious interest rate"; "unconscionable spending" ;