unconscionable
1. [ adjective ] lacking a conscience
Synonyms: conscienceless
Examples:

"a conscienceless villain" "brash, unprincipled, and conscienceless" "an unconscionable liar"

Related terms: unconscientious
2. [ adjective ] greatly exceeding bounds of reason or moderation
Synonyms: extortionate outrageous steep usurious exorbitant
Examples:

"exorbitant rent" "extortionate prices" "spends an outrageous amount on entertainment" "usorious interest rate" "unconscionable spending"

Related terms: immoderate
Similar spelling:   unconsolable
  unconventional
  unconscious
  unconsciousness
  unconventionally
  unsensational
  unconsciously
  unconditional
  unconstitutional
  unconventionality
  unconditioned
  unconstrained
  unconscientious
  unaccountable
  unconvinced
  unconscious_mind
  unconquerable
  unconformable
  unconstraint
  unsoundable
  unconstructive
  uncontrollable