inexpiable
1. [ adjective ] incapable of being atoned for
Related terms: unpardonable
Similar spelling:   inseparable
  inexpugnable
  inexplicable
  inseparably
  inexpungible
  inspire
  incapable
  inhospitable
  inexpedient
  inspirer
  inspired
  inexpert
  inexperience
  inexpediency
  inexpedience
  inception
  inexperienced
  inexpediently
  incipient