obliteration

/əˌblɪt̬əˈreɪʃən/
noun
  1. The act of destroying something completely so that nothing is left.
    • The bomb caused the total obliteration of the small village.
    • The company faced financial obliteration after the scandal.
    • Historians worry about the obliteration of ancient texts in the fire.
  2. The act of removing all traces of something, such as a memory or record.
    • Time brought the gradual obliteration of her childhood memories.
    • The software allows for the secure obliteration of sensitive files.
    • The treaty demanded the obliteration of all chemical weapons.