inviolableadjective · Level 1 SAT1Incapable of being injured or disturbedThe treaty established inviolable borders that no signatory nation was permitted to cross without consent.ModuleLevel 1Registeracademic, commonCollectionCollection 065SAT Core planAlso in Collection 065capacious, complement, telepathic, ambidextrous, auditory, autonomous, antiquated, decorous and 1 more