oblivion

 
Pronunciation: /əˈblɪvɪən/

noun

[mass noun]
  • 1the state of being unaware or unconscious of what is happening around one: they drank themselves into oblivion
  • the state of being forgotten, especially by the public: his name will fade into oblivion
  • destruction or extinction: only our armed forces stood between us and oblivion
  • 2 Law, historical amnesty or pardon.

Origin:

late Middle English: via Old French from Latin oblivio(n-), from oblivisci 'forget'