The definition of 'unattackable' & the word 'unattackable' in example sentences or phrases

Adjective satellite
immune to attack; incapable of being tampered with
  1. an impregnable fortress
  2. fortifications that made the frontier inviolable
  3. a secure telephone connection

Synonyms of the word 'unattackable' & Antonyms of the word 'unattackable'.

Adjective satellite
Synonymsimpregnable, inviolable, secure, strong, unassailable,