Как по Английски будет विस्मरण

The action or fact of obliterating or being obliterated; total destruction.

= obliviscence .

The state of being unaware or unconscious of what is happening around one.

To consign to oblivion.

Forgetting; an instance of this; (psychology) deterioration of the ability to remember learned material or perform a learned task which occurs after the learning has ceased.