- 1a state in which you are not aware of what is happening around you, usually because you are unconscious or asleep He often drinks himself into oblivion. Sam longed for the oblivion of sleep.
- 2 the state in which someone or something has been forgotten and is no longer famous or important synonym obscurity An unexpected victory saved him from political oblivion. Most of his inventions have been consigned to oblivion.
- 3a state in which something has been completely destroyed Hundreds of homes were bombed into oblivion during the first weeks of the war.