oblivion

noun
1
a state in which you are not aware of what is happening around you, usually because you are unconscious or asleep
فراموشی, بی‌هوشی, بی‌خبری, غفلت
2
the state in which somebody/something has been forgotten and is no longer famous or important
فراموشی, گمنامی, نسیان, از یاد رفتگی
An unexpected victory saved him from political oblivion.
Most of his inventions have been consigned to oblivion.
a minor masterpiece, saved from oblivion
synonym obscurity
3
a state in which something has been completely destroyed
نابودی, از بین رفتن, ویرانی
Hundreds of homes were bombed into oblivion during the first weeks of the war.